ppc/85xx: Clean up immap_85xx.h

* Converted all white space to tabs
* Converted all types to u8/u16/u32
* Reduce lines to fit in 80 columns
* Renamed MPC85xx_{Q,B}MAN -> FSL_CORENET_{Q,B}MAN

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>