msm: platsmp-8625: cleanup macro names

All the macros defined for 8625 secondary core indicates dual
core. Cleanup macros to be more generic to fit for multi core.

Change-Id: Ia21b2fe6e4a980ae1d60729ceb4085d1a72a16d3
Signed-off-by: Taniya Das <tdas@codeaurora.org>
Signed-off-by: Caio99BR <caiooliveirafarias0@gmail.com>