msm: iomap: Add HTC memory region mappings

* HTC's KERNEL_FOOTPRINT and KALLSYM areas appear to be important to the
  modem or watchdog. Add mappings for them.

Change-Id: I3f266f7a20b635035e6d46aa38bfe48e8eecdc24
msm: HTC: Use msm_iomap for ram console addresses

Change-Id: Ic94e7b066e15e05598d28dd976a9459d2febe982
msm: pil: Add HTC delay for rmt_storage

Change-Id: I553f8015cfd102032c4fa3fa5e4bff3ac81e4819