ARM: pm: omap34xx: no need to save all registers in sleep34xx.S
ARM: pm: omap34xx: no need to save all registers in sleep34xx.S

The ABI allows called functions to corrupt r0-r3 and ip (r12).  So
its pointless saving these registers in the suspend code - the
calling function will expect them to be corrupted and so won't rely
on their contents after resume.

Reviewed-by: Kevin Hilman <f9849b02abe18c1ece6bd40346458ed53f49d31b@ti.com>
Tested-by: Kevin Hilman <f9849b02abe18c1ece6bd40346458ed53f49d31b@ti.com>
Acked-by: Jean Pihet <24e638326d55c866138eb393a278ce90676b0635@ti.com>
Signed-off-by: Russell King <f6aa0246ff943bfa8602cdf60d40c481b38ed232@arm.linux.org.uk>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs