devicetrees: Remove trailing backslash from multiline values

It's not needed to put a backslash at the end of a line for quoted
multiline values. Thus, remove it.

Change-Id: I1b83d53598ba2adeed853a96d6c2c1a21f01a9f7
Signed-off-by: Felix Singer <felixsinger@posteo.net>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/78576
Reviewed-by: Erik van den Bogaert <ebogaert@eltan.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
diff --git a/src/mainboard/google/fizz/variants/baseboard/devicetree.cb b/src/mainboard/google/fizz/variants/baseboard/devicetree.cb
index e19e2386..46069ce 100644
--- a/src/mainboard/google/fizz/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/fizz/variants/baseboard/devicetree.cb
@@ -33,15 +33,15 @@
 	#+----------------+-------+-----------------------------------+
 
 	# Bitmap for Wake Enable on USB attach/detach
-	register "usb2_wake_enable_bitmap" = "USB_PORT_WAKE_ENABLE(2) | \
-					      USB_PORT_WAKE_ENABLE(3) | \
-					      USB_PORT_WAKE_ENABLE(4) | \
-					      USB_PORT_WAKE_ENABLE(5) | \
+	register "usb2_wake_enable_bitmap" = "USB_PORT_WAKE_ENABLE(2) |
+					      USB_PORT_WAKE_ENABLE(3) |
+					      USB_PORT_WAKE_ENABLE(4) |
+					      USB_PORT_WAKE_ENABLE(5) |
 					      USB_PORT_WAKE_ENABLE(6)"
-	register "usb3_wake_enable_bitmap" = "USB_PORT_WAKE_ENABLE(2) | \
-					      USB_PORT_WAKE_ENABLE(3) | \
-					      USB_PORT_WAKE_ENABLE(4) | \
-					      USB_PORT_WAKE_ENABLE(5) | \
+	register "usb3_wake_enable_bitmap" = "USB_PORT_WAKE_ENABLE(2) |
+					      USB_PORT_WAKE_ENABLE(3) |
+					      USB_PORT_WAKE_ENABLE(4) |
+					      USB_PORT_WAKE_ENABLE(5) |
 					      USB_PORT_WAKE_ENABLE(6)"
 
 	# GPE configuration