GICv3: Fix gic600.c indentation

Reindent the file using tabs as the mix of spaces and tabs confuses some
editors and leads them to use spaces instead of tabs for new code
although the coding style mandates tabs.

Change-Id: I87fa4a5d368a048340054b9b3622325f3f7befba
Signed-off-by: Douglas Raillard <douglas.raillard@arm.com>
diff --git a/drivers/arm/gic/v3/gic600.c b/drivers/arm/gic/v3/gic600.c
index 4ea31ab..217c08f 100644
--- a/drivers/arm/gic/v3/gic600.c
+++ b/drivers/arm/gic/v3/gic600.c
@@ -18,19 +18,19 @@
 #include "gicv3_private.h"
 
 /* GIC600-specific register offsets */
-#define GICR_PWRR		0x24
+#define GICR_PWRR	0x24
 
 /* GICR_PWRR fields */
 #define PWRR_RDPD_SHIFT		0
 #define PWRR_RDGPD_SHIFT	2
 #define PWRR_RDGPO_SHIFT	3
 
-#define PWRR_RDGPD		(1 << PWRR_RDGPD_SHIFT)
-#define PWRR_RDGPO		(1 << PWRR_RDGPO_SHIFT)
+#define PWRR_RDGPD	(1 << PWRR_RDGPD_SHIFT)
+#define PWRR_RDGPO	(1 << PWRR_RDGPO_SHIFT)
 
 /* Values to write to GICR_PWRR register to power redistributor */
-#define PWRR_ON			(0 << PWRR_RDPD_SHIFT)
-#define PWRR_OFF		(1 << PWRR_RDPD_SHIFT)
+#define PWRR_ON		(0 << PWRR_RDPD_SHIFT)
+#define PWRR_OFF	(1 << PWRR_RDPD_SHIFT)
 
 /* Generic GICv3 resources */
 extern const gicv3_driver_data_t *gicv3_driver_data;
@@ -38,12 +38,12 @@
 /* GIC600-specific accessor functions */
 static void gicr_write_pwrr(uintptr_t base, unsigned int val)
 {
-       mmio_write_32(base + GICR_PWRR, val);
+	mmio_write_32(base + GICR_PWRR, val);
 }
 
 static uint32_t gicr_read_pwrr(uintptr_t base)
 {
-       return mmio_read_32(base + GICR_PWRR);
+	return mmio_read_32(base + GICR_PWRR);
 }
 
 static int gicr_group_powering_down(uint32_t pwrr)