Add build/clean kernel script

Change-Id: I50a9bff4031ed6fd2441d9dd6bba6b0a4ebef9f3
Kernel script: Change Toolchain to "arm-eabi-4.6"

Change-Id: Ic95350d9c743ed5d312e0fba11b4483654937d79
kernel scrypt: rename readme file.

msm8x60_readme.txt -> script_readme.txt

Change-Id: I3c14a64c26eeca8b7d0b557ba8bbfc3909dbb39d
kernel scrypt: change toolchain download link

Change-Id: I392e0cdc80a33c6714cf616440ded03add1f47f4
gitignore: ignore files generated by the kernel build script

Change-Id: I9c996d26a5612db388c218ae35be9a842397fc1e
mako: initial bring up the mako hardware

Change-Id: Ib92715b8bc6246420b966ec2fe73046b423f628f
mako: add earsense gpio to MPM irq wakeup source

earsense gpio is set to wake irq.
if it is not added to MPM irq wakeup source,
it blocks to enter the XO shutdown state.

Change-Id: I46a406c1a2a38668ed952ef368bbbb1066975577