linux-common.inc: avoid cheanging meta-ti SRCREV
linux-common.inc: avoid cheanging meta-ti SRCREV

Signed-off-by: Andreas Müller <d72a15aaaca3a7afa855175c72dc8d2e05931e32@googlemail.com>

schnitzeltony/meta-gumstix-community,schnitzeltony/meta-gumstix-community