cc/gcc: Apply CT_CC_GCC_DISABLE_PCH to do_cc_core.
Otherwise, users have to input --disable-libstdcxx-pch option
when building bare-metal CANADIAN C++ compiler.
Reviewed-by: Michael Hope
Signed-off-by: Zhenqiang Chen <zhenqiang.chen@linaro.org>
(transplanted from e3e1c9d45bddfbfb433ee9d583faf42fa31f50c0)
1 # Blackfin specific configuration file
3 ## select ARCH_SUPPORTS_32
4 ## select ARCH_DEFAULT_32
5 ## select ARCH_DEFAULT_LE
6 ## select ARCH_SUPPORT_ARCH
7 ## select ARCH_SUPPORT_CPU
8 ## select ARCH_SUPPORT_TUNE
9 ## select ARCH_SUPPORT_FPU
11 ## help The Blackfin architecture