msm: pil-pronto: Add Pronto PIL driver to msm-copper

Pronto PIL platform driver is used to bring Pronto Wireless Connectivity
Subsystem (WCNSS) out of reset and start executing code. It also support
shutdown the subsystem when the wcnss is not used.

Change-Id: I60990ce625874fd3deb2071298f4849694f10084
Signed-off-by: Tianyi Gou <tgou@codeaurora.org>
6 files changed