misc: Fix build GCC-4.7 build errors

Error: selected processor does not support ARM mode `smc #0'
error: DIV usage mismatch between arch/arm/boot/compressed/head.o and output
error: DIV usage mismatch between arch/arm/boot/compressed/misc.o and output
error: DIV usage mismatch between arch/arm/boot/compressed/decompress.o and output
error: DIV usage mismatch between arch/arm/boot/compressed/lib1funcs.o and output
error: DIV usage mismatch between arch/arm/boot/compressed/ashldi3.o and output

Change-Id: I1251b843bb9b4c74ba8039fd194e3aed2183cf5b
Linaro -O3 warnings

Conflicts:
	block/bfq-iosched.c
	include/linux/cpufreq.h

Conflicts:
	drivers/i2c/chips/bma250_bosch.c

Conflicts:
	drivers/i2c/chips/bma250_bosch.c
	drivers/power/pm8921-bms-htc.c
	drivers/power/pm8921-charger-htc.c
	drivers/power/pm8xxx-ccadc.c
	mm/compaction.c