refactor(cpu): update IP names of Makalu CPU lib

   * ASM files are renamed to have public IP names in their filename.
   * updated other files to include ASM filename changes.

Signed-off-by: Rupinderjit Singh <rupinderjit.singh@arm.com>
Change-Id: Ie899c512b11fd7c4312e3a808bb6b9d2376cdb8c