refactor(gicv3): rename GIC Clayton to GIC-700

The GIC IP formerly known as "GIC Clayton" has been released under the
name of "GIC-700".

Rename occurences of Clayton in comments and macro names to reflect the
official name.

Change-Id: Ie8c55f7da7753127d58c8382b0033c1b486f7909
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
diff --git a/drivers/arm/gic/v3/gic-x00.c b/drivers/arm/gic/v3/gic-x00.c
index 6e106ba..eccfd97 100644
--- a/drivers/arm/gic/v3/gic-x00.c
+++ b/drivers/arm/gic/v3/gic-x00.c
@@ -24,7 +24,7 @@
 #define GICR_PWRR			0x24U
 #define IIDR_MODEL_ARM_GIC_600		U(0x0200043b)
 #define IIDR_MODEL_ARM_GIC_600AE	U(0x0300043b)
-#define IIDR_MODEL_ARM_GIC_CLAYTON	U(0x0400043b)
+#define IIDR_MODEL_ARM_GIC_700		U(0x0400043b)
 
 /* GICR_PWRR fields */
 #define PWRR_RDPD_SHIFT			0
@@ -46,7 +46,7 @@
 
 #if GICV3_SUPPORT_GIC600
 
-/* GIC-600/Clayton specific accessor functions */
+/* GIC-600/700 specific accessor functions */
 static void gicr_write_pwrr(uintptr_t base, unsigned int val)
 {
 	mmio_write_32(base + GICR_PWRR, val);
@@ -123,12 +123,12 @@
 	uint32_t reg = mmio_read_32(gicr_base + GICR_IIDR);
 
 	/*
-	 * The Arm GIC-600 and GIC-Clayton models have their redistributors
+	 * The Arm GIC-600 and GIC-700 models have their redistributors
 	 * powered down at reset.
 	 */
 	return (((reg & IIDR_MODEL_MASK) == IIDR_MODEL_ARM_GIC_600) ||
 		((reg & IIDR_MODEL_MASK) == IIDR_MODEL_ARM_GIC_600AE) ||
-		((reg & IIDR_MODEL_MASK) == IIDR_MODEL_ARM_GIC_CLAYTON));
+		((reg & IIDR_MODEL_MASK) == IIDR_MODEL_ARM_GIC_700));
 }
 
 #endif	/* GICV3_SUPPORT_GIC600 */
diff --git a/drivers/arm/gic/v3/gic600_multichip_private.h b/drivers/arm/gic/v3/gic600_multichip_private.h
index fe4134c..27b8e81 100644
--- a/drivers/arm/gic/v3/gic600_multichip_private.h
+++ b/drivers/arm/gic/v3/gic600_multichip_private.h
@@ -28,8 +28,8 @@
 #define GICD_DCHIPR_RT_OWNER_SHIFT	4
 
 /*
- * If GIC v4 extension is enabled, then use SPI macros specific to GIC-Clayton.
- * Other shifts and mask remains same between GIC-600 and GIC-Clayton.
+ * If GIC v4 extension is enabled, then use SPI macros specific to GIC-700.
+ * Other shifts and mask remains same between GIC-600 and GIC-700.
  */
 #if GIC_ENABLE_V4_EXTN
 #define GICD_CHIPRx_SPI_BLOCK_MIN_SHIFT	9