Code cleanup

README

@@ -870,7 +870,7 @@ The following options need to be configured:
 		attach your usb cable. The Unix command "dmesg" should print
 		it has found a new device. The environment variable usbtty
 		can be set to gserial or cdc_acm to enable your device to
-		appear to a USB host as a Linux gserial device or a 
+		appear to a USB host as a Linux gserial device or a
 		Common Device Class Abstract Control Model serial device.
 		If you select usbtty = gserial you should be able to enumerate
 		a Linux host by
@@ -878,14 +878,14 @@ The following options need to be configured:
 		else if using cdc_acm, simply setting the environment
 		variable usbtty to be cdc_acm should suffice. The following
 		might be defined in YourBoardName.h
-	
+
 			CONFIG_USB_DEVICE
 			Define this to build a UDC device
 
 			CONFIG_USB_TTY
 			Define this to have a tty type of device available to
 			talk to the UDC device
-		
+
 			CFG_CONSOLE_IS_IN_ENV
 			Define this if you want stdin, stdout &/or stderr to
 			be set to usbtty.
@@ -893,15 +893,15 @@ The following options need to be configured:
 			mpc8xx:
 				CFG_USB_EXTC_CLK 0xBLAH
 				Derive USB clock from external clock "blah"
-				- CFG_USB_EXTC_CLK 0x02	
-				
+				- CFG_USB_EXTC_CLK 0x02
+
 				CFG_USB_BRG_CLK 0xBLAH
 				Derive USB clock from brgclk
 				- CFG_USB_BRG_CLK 0x04
 
-		If you have a USB-IF assigned VendorID then you may wish to 
+		If you have a USB-IF assigned VendorID then you may wish to
 		define your own vendor specific values either in BoardName.h
-		or directly in usbd_vendor_info.h. If you don't define 
+		or directly in usbd_vendor_info.h. If you don't define
 		CONFIG_USBD_MANUFACTURER, CONFIG_USBD_PRODUCT_NAME,
 		CONFIG_USBD_VENDORID and CONFIG_USBD_PRODUCTID, then U-Boot
 		should pretend to be a Linux device to it's target host.
@@ -909,7 +909,7 @@ The following options need to be configured:
 			CONFIG_USBD_MANUFACTURER
 			Define this string as the name of your company for
 			- CONFIG_USBD_MANUFACTURER "my company"
-			
+
 			CONFIG_USBD_PRODUCT_NAME
 			Define this string as the name of your product
 			- CONFIG_USBD_PRODUCT_NAME "acme usb device"
@@ -919,13 +919,13 @@ The following options need to be configured:
 			Implementors Forum. This *must* be a genuine Vendor ID
 			to avoid polluting the USB namespace.
 			- CONFIG_USBD_VENDORID 0xFFFF
-				 
+
 			CONFIG_USBD_PRODUCTID
 			Define this as the unique Product ID
 			for your device
 			- CONFIG_USBD_PRODUCTID 0xFFFF
-		
-			
+
+
 - MMC Support:
 		The MMC controller on the Intel PXA is supported. To
 		enable this define CONFIG_MMC. The MMC can be