Fixup Standard SMC Resume Handling

This patch fixes a missed return and code alignment issues
in TSP_FID_RESUME handling.

Change-Id: Icf8aeb76dfd6898745653ce039e3bac45e0a9b3a
Remove FVP specific comments in platform.h

Remove the FVP specific comments in platform.h since this file
is re-usable across all platforms.

Change-Id: Ifd4a4f72562adb3ecf8b9078b0150f170ef22dba
Further renames of platform porting functions

Rename the ic_* platform porting functions to plat_ic_* to be
consistent with the other functions in platform.h. Also rename
bl31_get_next_image_info() to bl31_plat_get_next_image_ep_info()
and remove the duplicate declaration in bl31.h.

Change-Id: I4851842069d3cff14c0a468daacc0a891a7ede84
Merge pull request #112 from danh-arm:dh/refactor-plat-header-v4 into for-v0.4
Merge pull request #110 from soby-mathew:sm/support_normal_irq_in_tsp-v4 into for-v0.4