kexec-hardboot: based on @Tasssadar https://github.com/Tasssadar/android_kernel_google_msm/commit/005cf387c1404eac862cc35153d7641d18faef4c

Signed-off-by: flar2 <asegaert@gmail.com>
update defconfig
msm-sleeper: add ex_max_freq interface