[ARM] 4802/1: Fix typo and remove vague comment

Fix typo and remove vague comment
Signed-off-by: Marc Pignat <marc.pignat@hevs.ch>
Acked-by: Andrew Victor <linux@maxim.org.za>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

include/asm-arm/arch-at91/at91_mci.h

@@ -89,7 +89,7 @@
 #define		AT91_MCI_ENDRX		(1 <<  6)	/* End of RX Buffer */
 #define		AT91_MCI_ENDTX		(1 <<  7)	/* End fo TX Buffer */
 #define		AT91_MCI_SDIOIRQA	(1 <<  8)	/* SDIO Interrupt for Slot A */
-#define		At91_MCI_SDIOIRQB	(1 <<  9)	/* SDIO Interrupt for Slot B [AT91RM9200 only] */
+#define		AT91_MCI_SDIOIRQB	(1 <<  9)	/* SDIO Interrupt for Slot B */
 #define		AT91_MCI_RXBUFF		(1 << 14)	/* RX Buffer Full */
 #define		AT91_MCI_TXBUFE		(1 << 15)	/* TX Buffer Empty */
 #define		AT91_MCI_RINDE		(1 << 16)	/* Response Index Error */