cpuid: do not call abort() in cache.c & feature.c

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
cpuid: invert the logic of TARGET_OS_UBOOT test in clock.c

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
cpuid: avoid calling thread_count() in handlers.c

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
cpuid: util.[c|h] adaptation

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
cpuid: no need to define 'inline' for U-Boot build

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
cpuid: enable build in the U-Boot top level Makefile

arch/x86/lib/cpuid/ is added to libs-y in the U-Boot top level
Makefile when CONFIG_X86.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>