gimp: Disable vector iconn on rv32/musl
gimp: Disable vector iconn on rv32/musl

qemu crashes during build
| make[3]: *** [Makefile:2395: 24/gimp-channel-alpha.svg] Segmentation fault (core dumped)

Signed-off-by: Khem Raj <729d64b6f67515e258459a5f6d20ec88b2caf8df@gmail.com>

openembedded/meta-openembedded,rehsack/meta-openembedded,openembedded/meta-openembedded,openembedded/meta-openembedded,schnitzeltony/meta-openembedded,schnitzeltony/meta-openembedded,schnitzeltony/meta-openembedded,schnitzeltony/meta-openembedded,rehsack/meta-openembedded,rehsack/meta-openembedded,openembedded/meta-openembedded,schnitzeltony/meta-openembedded,rehsack/meta-openembedded,rehsack/meta-openembedded,moto-timo/meta-openembedded,schnitzeltony/meta-openembedded,moto-timo/meta-openembedded,moto-timo/meta-openembedded,rehsack/meta-openembedded,moto-timo/meta-openembedded,schnitzeltony/meta-openembedded,moto-timo/meta-openembedded,openembedded/meta-openembedded,rehsack/meta-openembedded,openembedded/meta-openembedded,openembedded/meta-openembedded,openembedded/meta-openembedded