MIPS: BCM1480: bcm1480_regs.h: strip redundant comments

Strip some comments which probably meant to repeat the same value of the
define; they also contained a confusing 0x0x prefix.

Signed-off-by: Antonio Ospite <ao2@ao2.it>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/12254/


Signed-off-by: Ralf Baechle <ralf@linux-mips.org>