msm: socinfo: Add support for MSM8960AB

Add the SoC ID and cpu_is wrapper for identifying the
MSM8960AB SoC.

Signed-off-by: Stepan Moskovchenko <stepanm@codeaurora.org>
(cherry picked from commit ec6a80345c34e714b1d46050cf6b517226113cc6)

Conflicts:

	arch/arm/mach-msm/socinfo.c

Change-Id: Idaea4cedca06a70921b50c0cc3ae749c70cfddf8
Signed-off-by: Carl Vanderlip <carlv@codeaurora.org>
msm: socinfo: Add support for detecting Krait and Krait Pass 2

Add APIs for checking whether the current CPU is Krait and
Krait Pass 2

Change-Id: I5b28e8ae76b2df64675a6808092d792833931544
Signed-off-by: Jin Hong <jinh@codeaurora.org>
Signed-off-by: Shruthi Krishna <skrish@codeaurora.org>