am43xx: configs: Enable USB commands for non usb boot also

With commit aee119bd70b8 ('am43xx_evm: add usb host boot support') usb
commands is removed from U-boot second stage and enbaled only on USB
boot config. Fixing this by enable USB commands for both USB boot and
in second stage u-boot.

Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/include/configs/am43xx_evm.h b/include/configs/am43xx_evm.h
index 1428aa9..0a96bd3 100644
--- a/include/configs/am43xx_evm.h
+++ b/include/configs/am43xx_evm.h
@@ -105,8 +105,10 @@
 /* SPL USB Support */
 #ifdef CONFIG_SPL_USB_HOST_SUPPORT
 #define CONFIG_SPL_USB_SUPPORT
-#define CONFIG_SYS_USB_FAT_BOOT_PARTITION		1
+#endif
 
+#if defined(CONFIG_SPL_USB_HOST_SUPPORT) || !defined(CONFIG_SPL_BUILD)
+#define CONFIG_SYS_USB_FAT_BOOT_PARTITION		1
 #define CONFIG_CMD_USB
 #define CONFIG_USB_HOST
 #define CONFIG_USB_XHCI