refactor(sgi): replace references to "SGI"/"sgi" for neoverse_rd

Currently, there are several reference to "SGI" or "sgi" in comments or
as macro prefix within the neoverse_rd directory. As part of the
migration to neoverse_rd, rename all occurences of "SGI/sgi" to
"Neoverse-RD" or the "NRD" prefix accordingly. All references in
comments are rephrased as "Neoverse RD platforms". References in code
are renamed as "NRD"/"nrd" accordingly.

Signed-off-by: Rohit Mathew <Rohit.Mathew@arm.com>
Change-Id: Iec195427ff2bee565cb4a325a1a22892be95ae16
diff --git a/plat/arm/board/neoverse_rd/platform/rdn2/platform.mk b/plat/arm/board/neoverse_rd/platform/rdn2/platform.mk
index 3216813..12e7db4 100644
--- a/plat/arm/board/neoverse_rd/platform/rdn2/platform.mk
+++ b/plat/arm/board/neoverse_rd/platform/rdn2/platform.mk
@@ -34,12 +34,12 @@
 
 PLAT_INCLUDES		+=	-I${RDN2_BASE}/include/
 
-SGI_CPU_SOURCES		:=	lib/cpus/aarch64/neoverse_n2.S \
+NRD_CPU_SOURCES		:=	lib/cpus/aarch64/neoverse_n2.S \
 				lib/cpus/aarch64/neoverse_v2.S
 
 PLAT_BL_COMMON_SOURCES	+=	${NRD_COMMON_BASE}/nrd_plat_v2.c
 
-BL1_SOURCES		+=	${SGI_CPU_SOURCES}			\
+BL1_SOURCES		+=	${NRD_CPU_SOURCES}			\
 				${RDN2_BASE}/rdn2_err.c
 
 BL2_SOURCES		+=	${RDN2_BASE}/rdn2_plat.c		\
@@ -50,7 +50,7 @@
 				plat/arm/common/arm_tzc400.c		\
 				plat/arm/common/arm_nor_psci_mem_protect.c
 
-BL31_SOURCES		+=	${SGI_CPU_SOURCES}			\
+BL31_SOURCES		+=	${NRD_CPU_SOURCES}			\
 				${RDN2_BASE}/rdn2_plat.c		\
 				${RDN2_BASE}/rdn2_topology.c		\
 				drivers/cfi/v2m/v2m_flash.c		\
diff --git a/plat/arm/board/neoverse_rd/platform/rdn2/rdn2_ras.c b/plat/arm/board/neoverse_rd/platform/rdn2/rdn2_ras.c
index d18f1c9..d046a1f 100644
--- a/plat/arm/board/neoverse_rd/platform/rdn2/rdn2_ras.c
+++ b/plat/arm/board/neoverse_rd/platform/rdn2/rdn2_ras.c
@@ -11,13 +11,13 @@
 
 struct nrd_ras_ev_map plat_ras_map[] = {
 	/* Non Secure base RAM ECC CE interrupt */
-	{SGI_SDEI_DS_EVENT_0, NS_RAM_ECC_CE_INT, SGI_RAS_INTR_TYPE_SPI},
+	{NRD_SDEI_DS_EVENT_0, NS_RAM_ECC_CE_INT, NRD_RAS_INTR_TYPE_SPI},
 
 	/* Non Secure base RAM ECC UE interrupt */
-	{SGI_SDEI_DS_EVENT_0, NS_RAM_ECC_UE_INT, SGI_RAS_INTR_TYPE_SPI},
+	{NRD_SDEI_DS_EVENT_0, NS_RAM_ECC_UE_INT, NRD_RAS_INTR_TYPE_SPI},
 
 	/* CPU 1-bit ECC CE error interrupt */
-	{SGI_SDEI_DS_EVENT_1, PLAT_CORE_FAULT_IRQ, SGI_RAS_INTR_TYPE_PPI}
+	{NRD_SDEI_DS_EVENT_1, PLAT_CORE_FAULT_IRQ, NRD_RAS_INTR_TYPE_PPI}
 };
 
 /* RAS error record list definition, used by the common RAS framework. */
diff --git a/plat/arm/board/neoverse_rd/platform/rdn2/rdn2_security.c b/plat/arm/board/neoverse_rd/platform/rdn2/rdn2_security.c
index 8ec8345..41172ea 100644
--- a/plat/arm/board/neoverse_rd/platform/rdn2/rdn2_security.c
+++ b/plat/arm/board/neoverse_rd/platform/rdn2/rdn2_security.c
@@ -25,20 +25,20 @@
 static const arm_tzc_regions_info_t tzc_regions_mc[][NRD_CHIP_COUNT - 1] = {
 	{
 		/* TZC memory regions for second chip */
-		SGI_PLAT_TZC_NS_REMOTE_REGIONS_DEF(1),
+		NRD_PLAT_TZC_NS_REMOTE_REGIONS_DEF(1),
 		{}
 	},
 #if NRD_CHIP_COUNT > 2
 	{
 		/* TZC memory regions for third chip */
-		SGI_PLAT_TZC_NS_REMOTE_REGIONS_DEF(2),
+		NRD_PLAT_TZC_NS_REMOTE_REGIONS_DEF(2),
 		{}
 	},
 #endif
 #if NRD_CHIP_COUNT > 3
 	{
 		/* TZC memory regions for fourth chip */
-		SGI_PLAT_TZC_NS_REMOTE_REGIONS_DEF(3),
+		NRD_PLAT_TZC_NS_REMOTE_REGIONS_DEF(3),
 		{}
 	},
 #endif