src/include: Remove spaces before tabs

Fix the following warning detected by checkpatch.pl:

WARNING: please, no space before tabs

TEST=Build and run on Galileo Gen2

Change-Id: If60a58021d595289722d1d6064bea37b0b0bc039
Signed-off-by: Lee Leahy <Leroy.P.Leahy@intel.com>
Reviewed-on: https://review.coreboot.org/18652
Tested-by: build bot (Jenkins)
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Philippe Mathieu-Daudé <philippe.mathieu.daude@gmail.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Martin Roth <martinroth@google.com>
diff --git a/src/include/console/uart.h b/src/include/console/uart.h
index 2c745dd..45faf0a 100644
--- a/src/include/console/uart.h
+++ b/src/include/console/uart.h
@@ -70,7 +70,7 @@
 #endif
 
 #if CONFIG_GDB_STUB && (ENV_ROMSTAGE || ENV_RAMSTAGE)
-#define CONFIG_UART_FOR_GDB 	CONFIG_UART_FOR_CONSOLE
+#define CONFIG_UART_FOR_GDB	CONFIG_UART_FOR_CONSOLE
 static inline void __gdb_hw_init(void)	{ uart_init(CONFIG_UART_FOR_GDB); }
 static inline void __gdb_tx_byte(u8 data)	{ uart_tx_byte(CONFIG_UART_FOR_GDB, data); }
 static inline void __gdb_tx_flush(void)	{ uart_tx_flush(CONFIG_UART_FOR_GDB); }