powerpc/85xx: Fix USB protocol definitions for P1020RDB

USB protocol macros (CONFIG_USB_EHCI ...) to be included only when
CONFIG_HAS_FSL_DR_USB is defined for a board. Presence of USB DR controller
should be declared along with the underlying protocol used in the controller

Signed-off-by: Ramneek Mehresh <ramneek.mehresh@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

include/configs/P1_P2_RDB.h

@@ -581,6 +581,9 @@ extern unsigned long get_board_sys_clk(unsigned long dummy);
 #endif
 #endif
 
+#define CONFIG_HAS_FSL_DR_USB
+
+#if defined(CONFIG_HAS_FSL_DR_USB)
 #define CONFIG_USB_EHCI
 
 #ifdef CONFIG_USB_EHCI
@@ -588,7 +591,7 @@ extern unsigned long get_board_sys_clk(unsigned long dummy);
 #define CONFIG_EHCI_HCD_INIT_AFTER_RESET
 #define CONFIG_USB_EHCI_FSL
 #define CONFIG_USB_STORAGE
-#define CONFIG_HAS_FSL_DR_USB
+#endif
 #endif
 
 #if defined(CONFIG_MMC) || defined(CONFIG_USB_EHCI)