MIPS: BCM63XX: remove bogus ENETSW_TXDMA interrupts from BCM6328

These were erroneously copied from BCM6368. BCM6328 does not expose the
ENETSW_TXDMA interrupts, and BCM_6328_HIGH_IRQ_BASE + 7 is actually used
for the second UART.

Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Patchwork: http://patchwork.linux-mips.org/patch/4090/
Signed-off-by: John Crispin <blogic@openwrt.org>

arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h

@@ -615,10 +615,10 @@ enum bcm63xx_irq {
 #define BCM_6328_ENETSW_RXDMA1_IRQ	(BCM_6328_HIGH_IRQ_BASE + 1)
 #define BCM_6328_ENETSW_RXDMA2_IRQ	(BCM_6328_HIGH_IRQ_BASE + 2)
 #define BCM_6328_ENETSW_RXDMA3_IRQ	(BCM_6328_HIGH_IRQ_BASE + 3)
-#define BCM_6328_ENETSW_TXDMA0_IRQ	(BCM_6328_HIGH_IRQ_BASE + 4)
-#define BCM_6328_ENETSW_TXDMA1_IRQ	(BCM_6328_HIGH_IRQ_BASE + 5)
-#define BCM_6328_ENETSW_TXDMA2_IRQ	(BCM_6328_HIGH_IRQ_BASE + 6)
-#define BCM_6328_ENETSW_TXDMA3_IRQ	(BCM_6328_HIGH_IRQ_BASE + 7)
+#define BCM_6328_ENETSW_TXDMA0_IRQ	0
+#define BCM_6328_ENETSW_TXDMA1_IRQ	0
+#define BCM_6328_ENETSW_TXDMA2_IRQ	0
+#define BCM_6328_ENETSW_TXDMA3_IRQ	0
 #define BCM_6328_XTM_IRQ		(BCM_6328_HIGH_IRQ_BASE + 31)
 #define BCM_6328_XTM_DMA0_IRQ		(BCM_6328_HIGH_IRQ_BASE + 11)