Blackfin arch: Fix bug - wrong endpoint number and dma channels of USB

Blackfin MUSB has 8 endpoints including ep0 and 8 dma channels not 7

Signed-off-by: Bryan Wu <cooloney@kernel.org>

diff --git a/arch/blackfin/mach-bf548/boards/ezkit.c b/arch/blackfin/mach-bf548/boards/ezkit.c
index dae7c11..882edd4 100644
--- a/arch/blackfin/mach-bf548/boards/ezkit.c
+++ b/arch/blackfin/mach-bf548/boards/ezkit.c
@@ -403,8 +403,8 @@
 	.dyn_fifo	= 0,
 	.soft_con	= 1,
 	.dma		= 1,
-	.num_eps	= 7,
-	.dma_channels	= 7,
+	.num_eps	= 8,
+	.dma_channels	= 8,
 	.gpio_vrsel	= GPIO_PE7,
 };