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>

arch/mips/include/asm/sibyte/bcm1480_regs.h

@@ -415,8 +415,8 @@
 					(cpu)*BCM1480_IMR_ALIAS_MAILBOX_SPACING)
 #define A_BCM1480_IMR_ALIAS_MAILBOX_REGISTER(cpu, reg) (A_BCM1480_IMR_ALIAS_MAILBOX(cpu)+(reg))
 
-#define R_BCM1480_IMR_ALIAS_MAILBOX_0		0x0000		/* 0x0x0 */
-#define R_BCM1480_IMR_ALIAS_MAILBOX_0_SET	0x0008		/* 0x0x8 */
+#define R_BCM1480_IMR_ALIAS_MAILBOX_0		0x0000
+#define R_BCM1480_IMR_ALIAS_MAILBOX_0_SET	0x0008
 
 /*
  * these macros work together to build the address of a mailbox