src/mb: Remove unneeded spaces before/after tabs

Change-Id: I02979a0632a7b356985f96c3ba239daba178b4e3
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39989
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/mainboard/51nb/x210/devicetree.cb b/src/mainboard/51nb/x210/devicetree.cb
index a98dade..82bbb1f 100644
--- a/src/mainboard/51nb/x210/devicetree.cb
+++ b/src/mainboard/51nb/x210/devicetree.cb
@@ -107,9 +107,9 @@
 
 	register "usb2_ports[0]" = "USB2_PORT_MID(OC1)"		# Type-A Port (left)
 	register "usb2_ports[1]" = "USB2_PORT_MID(OC1)"		# Type-A Port (left)
-	register "usb2_ports[2]" = "USB2_PORT_FLEX(OC_SKIP)" 	# FPR
-	register "usb2_ports[3]" = "USB2_PORT_FLEX(OC_SKIP)" 	# SD
-	register "usb2_ports[4]" = "USB2_PORT_FLEX(OC_SKIP)" 	# INT
+	register "usb2_ports[2]" = "USB2_PORT_FLEX(OC_SKIP)"	# FPR
+	register "usb2_ports[3]" = "USB2_PORT_FLEX(OC_SKIP)"	# SD
+	register "usb2_ports[4]" = "USB2_PORT_FLEX(OC_SKIP)"	# INT
 	register "usb2_ports[5]" = "USB2_PORT_MID(OC1)"		# Type-A Port (right)
 	register "usb2_ports[6]" = "USB2_PORT_FLEX(OC_SKIP)"	# Webcam
 	register "usb2_ports[7]" = "USB2_PORT_MID(OC_SKIP)"	# mPCIe / WiFi Port