Revert "net: wireless: bcmdhd: Set KSO enable sleep to 5ms"

This reverts commit 838c11f71afa9a752451bc31150d4200d3a9f478.
makefile: use arm-cortex_a15-linux-gnueabihf-linaro_4.9.2-2014.08 toolchain by default
slimbus: overclock root freq
stereo call recording support

Change-Id: I934c252283d1346f9c1f6cf786ce2f661f20a049

Signed-off-by: flar2 <asegaert@gmail.com>