omap: clean-up dead configs

The following configs are not defined at all.

 - CONFIG_OMAP1510
 - CONFIG_OMAP_1510P1
 - CONFIG_OMAP_SX1
 - CONFIG_OMAP3_DMA
 - CONFIG_OMAP3_ZOOM2
 - CONFIG_OMAP_INNOVATOR

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Tom Rini <trini@ti.com>
diff --git a/include/usb/udc.h b/include/usb/udc.h
index 1f545ec..b2e0c6b 100644
--- a/include/usb/udc.h
+++ b/include/usb/udc.h
@@ -12,8 +12,8 @@
 #define EP_MAX_PACKET_SIZE	64
 #endif
 
-#if !defined(CONFIG_PPC) && !defined(CONFIG_OMAP1510)
-/* omap1510_udc.h and mpc8xx_udc.h will set these values */
+#if !defined(CONFIG_PPC)
+/* mpc8xx_udc.h will set these values */
 #define UDC_OUT_PACKET_SIZE     EP_MAX_PACKET_SIZE
 #define UDC_IN_PACKET_SIZE      EP_MAX_PACKET_SIZE
 #define UDC_INT_PACKET_SIZE     EP_MAX_PACKET_SIZE