ruby: explicitly disable dtrace support
ruby: explicitly disable dtrace support

both 2.2.1 and 2.2.2 are failing on some hosts native builds with:
| linking miniruby
| load.o: In function `rb_f_load':
| load.c:(.text+0x3af): undefined reference to `RUBY_DTRACE_LOAD_ENTRY_ENABLED'
| load.c:(.text+0x428): undefined reference to `RUBY_DTRACE_LOAD_RETURN_ENABLED'
| load.c:(.text+0x452): undefined reference to `RUBY_DTRACE_LOAD_RETURN'
| load.c:(.text+0x492): undefined reference to `RUBY_DTRACE_LOAD_ENTRY'
| load.o: In function `rb_require_internal':

Signed-off-by: Martin Jansa <516df3ff67e1fa5d153800b15fb204c0a1a389dc@gmail.com>

kraj/meta-openembedded,fredcadete/meta-openembedded,rdm-dev/meta-openembedded,shr-distribution/meta-oe,fredcadete/meta-openembedded,epylar/meta-openembedded,victronenergy/meta-openembedded,shr-distribution/meta-oe,kraj/meta-openembedded,amery/meta-openembedded,lixinfnst/meta-openembedded,RedFIR/meta-openembedded,lgirdk/meta-openembedded,RedFIR/meta-openembedded,amery/meta-openembedded,kraj/meta-openembedded,moto-timo/meta-openembedded,lgirdk/meta-openembedded,sigma-embedded/elito-org.openembedded.meta,joelagnel/meta-openembedded,mrchapp/meta-openembedded,openembedded/meta-openembedded,schnitzeltony/meta-openembedded,kraj/meta-openembedded,VCTLabs/meta-openembedded,fredcadete/meta-openembedded,rehsack/meta-openembedded,kraj/meta-openembedded,victronenergy/meta-openembedded,kraj/meta-openembedded,shr-distribution/meta-oe,fredcadete/meta-openembedded,openembedded/meta-openembedded,lixinfnst/meta-openembedded,epylar/meta-openembedded,fredcadete/meta-openembedded,rdm-dev/meta-openembedded,MCherifiOSS/meta-openembedded,epylar/meta-openembedded,lixinfnst/meta-openembedded,rehsack/meta-openembedded,victronenergy/meta-openembedded,openembedded/meta-openembedded,mrchapp/meta-openembedded,moto-timo/meta-openembedded,mrchapp/meta-openembedded,kraj/meta-openembedded,lgirdk/meta-openembedded,openembedded/meta-openembedded,amery/meta-openembedded,epylar/meta-openembedded,moto-timo/meta-openembedded,VCTLabs/meta-openembedded,openembedded/meta-openembedded,epylar/meta-openembedded,victronenergy/meta-openembedded,sigma-embedded/elito-org.openembedded.meta,amery/meta-openembedded,RedFIR/meta-openembedded,shr-distribution/meta-oe,joelagnel/meta-openembedded,shr-distribution/meta-oe,shr-distribution/meta-oe,moto-timo/meta-openembedded,rofehr/meta-openembedded,rofehr/meta-openembedded,rdm-dev/meta-openembedded,mrchapp/meta-openembedded,schnitzeltony/meta-openembedded,MCherifiOSS/meta-openembedded,VCTLabs/meta-openembedded,mrchapp/meta-openembedded,lixinfnst/meta-openembedded,epylar/meta-openembedded,RedFIR/meta-openembedded,victronenergy/meta-openembedded,joelagnel/meta-openembedded,rehsack/meta-openembedded,joelagnel/meta-openembedded,joelagnel/meta-openembedded,lgirdk/meta-openembedded,openembedded/meta-openembedded,lgirdk/meta-openembedded,VCTLabs/meta-openembedded,rofehr/meta-openembedded,VCTLabs/meta-openembedded,lixinfnst/meta-openembedded,rehsack/meta-openembedded,amery/meta-openembedded,MCherifiOSS/meta-openembedded,rdm-dev/meta-openembedded,shr-distribution/meta-oe,rdm-dev/meta-openembedded,fredcadete/meta-openembedded,rehsack/meta-openembedded,rofehr/meta-openembedded,openembedded/meta-openembedded,epylar/meta-openembedded,fredcadete/meta-openembedded,sigma-embedded/elito-org.openembedded.meta,MCherifiOSS/meta-openembedded,rofehr/meta-openembedded,schnitzeltony/meta-openembedded,victronenergy/meta-openembedded,schnitzeltony/meta-openembedded,RedFIR/meta-openembedded,RedFIR/meta-openembedded,amery/meta-openembedded,joelagnel/meta-openembedded,lgirdk/meta-openembedded,rehsack/meta-openembedded,fredcadete/meta-openembedded,MCherifiOSS/meta-openembedded,joelagnel/meta-openembedded,rofehr/meta-openembedded,RedFIR/meta-openembedded,VCTLabs/meta-openembedded,rofehr/meta-openembedded,schnitzeltony/meta-openembedded,mrchapp/meta-openembedded,openembedded/meta-openembedded,rdm-dev/meta-openembedded,epylar/meta-openembedded,victronenergy/meta-openembedded,sigma-embedded/elito-org.openembedded.meta,RedFIR/meta-openembedded,shr-distribution/meta-oe,amery/meta-openembedded,lgirdk/meta-openembedded,MCherifiOSS/meta-openembedded,rdm-dev/meta-openembedded,rehsack/meta-openembedded,VCTLabs/meta-openembedded,rdm-dev/meta-openembedded,mrchapp/meta-openembedded,amery/meta-openembedded,sigma-embedded/elito-org.openembedded.meta,schnitzeltony/meta-openembedded,moto-timo/meta-openembedded,sigma-embedded/elito-org.openembedded.meta,VCTLabs/meta-openembedded,lixinfnst/meta-openembedded,rofehr/meta-openembedded,schnitzeltony/meta-openembedded,joelagnel/meta-openembedded,sigma-embedded/elito-org.openembedded.meta