Revert " hmm ?"

This reverts commit f3e45c7b831254e69ae829cfa3f6d50ebb29ff1a.
Enabled CCACHE to speedup building

Conflicts:
	Makefile
	arch/arm/configs/dorimanx_defconfig
	build_kernel.sh
may help booting with -O3 and 4.8.x compiler. TNX @Keff

https://github.com/Keff/samsung-kernel-msm7x30/commit/af34a77bf52542ba72d0d24b64fb4334bb170bb8

Conflicts:
	Makefile
Revert "may help booting with -O3 and 4.8.x compiler. TNX @Keff"

This reverts commit 5cc61a7d8688c888ded3726a756dd4b644af58fd.