refactor(sgi): replace build-option prefix to "NRD"

As of now, CSS_SGI_PLATFORM_VARIANT and CSS_SGI_CHIP_COUNT are the
external build option that "sgi" platforms support. As "sgi" has been
renamed to "neoverse_rd" and the source files have been migrated out of
the css directory, replace the prefix "CSS_SGI" with "NRD".

Signed-off-by: Rohit Mathew <Rohit.Mathew@arm.com>
Change-Id: I27989ff42404d823dd2a8cd22ff485497ccb62d4
diff --git a/plat/arm/board/neoverse_rd/platform/rdn1edge/include/platform_def.h b/plat/arm/board/neoverse_rd/platform/rdn1edge/include/platform_def.h
index e17005c..aa8702f 100644
--- a/plat/arm/board/neoverse_rd/platform/rdn1edge/include/platform_def.h
+++ b/plat/arm/board/neoverse_rd/platform/rdn1edge/include/platform_def.h
@@ -38,9 +38,9 @@
  */
 #ifdef __aarch64__
 #define PLAT_PHY_ADDR_SPACE_SIZE	CSS_SGI_REMOTE_CHIP_MEM_OFFSET( \
-						CSS_SGI_CHIP_COUNT)
+						NRD_CHIP_COUNT)
 #define PLAT_VIRT_ADDR_SPACE_SIZE	CSS_SGI_REMOTE_CHIP_MEM_OFFSET( \
-						CSS_SGI_CHIP_COUNT)
+						NRD_CHIP_COUNT)
 #else
 #define PLAT_PHY_ADDR_SPACE_SIZE	(1ULL << 32)
 #define PLAT_VIRT_ADDR_SPACE_SIZE	(1ULL << 32)
diff --git a/plat/arm/board/neoverse_rd/platform/rdn1edge/platform.mk b/plat/arm/board/neoverse_rd/platform/rdn1edge/platform.mk
index 1408351..65ab6ea 100644
--- a/plat/arm/board/neoverse_rd/platform/rdn1edge/platform.mk
+++ b/plat/arm/board/neoverse_rd/platform/rdn1edge/platform.mk
@@ -62,14 +62,14 @@
 $(eval $(call TOOL_ADD_PAYLOAD,${NT_FW_CONFIG},--nt-fw-config,${NT_FW_CONFIG}))
 
 $(eval $(call CREATE_SEQ,SEQ,2))
-ifneq ($(CSS_SGI_CHIP_COUNT),$(filter $(CSS_SGI_CHIP_COUNT),$(SEQ)))
+ifneq ($(NRD_CHIP_COUNT),$(filter $(NRD_CHIP_COUNT),$(SEQ)))
  $(error  "Chip count for RDN1Edge platform should be one of $(SEQ), currently \
-   set to ${CSS_SGI_CHIP_COUNT}.")
+   set to ${NRD_CHIP_COUNT}.")
 endif
 
-ifneq ($(CSS_SGI_PLATFORM_VARIANT),0)
- $(error "CSS_SGI_PLATFORM_VARIANT for RD-N1-Edge should always be 0, \
-     currently set to ${CSS_SGI_PLATFORM_VARIANT}.")
+ifneq ($(NRD_PLATFORM_VARIANT),0)
+ $(error "NRD_PLATFORM_VARIANT for RD-N1-Edge should always be 0, \
+     currently set to ${NRD_PLATFORM_VARIANT}.")
 endif
 
 override CTX_INCLUDE_AARCH32_REGS	:= 0
diff --git a/plat/arm/board/neoverse_rd/platform/rdn1edge/rdn1edge_plat.c b/plat/arm/board/neoverse_rd/platform/rdn1edge/rdn1edge_plat.c
index 9130751..7449d65 100644
--- a/plat/arm/board/neoverse_rd/platform/rdn1edge/rdn1edge_plat.c
+++ b/plat/arm/board/neoverse_rd/platform/rdn1edge/rdn1edge_plat.c
@@ -22,7 +22,7 @@
 static struct gic600_multichip_data rdn1e1_multichip_data __init = {
 	.rt_owner_base = PLAT_ARM_GICD_BASE,
 	.rt_owner = 0,
-	.chip_count = CSS_SGI_CHIP_COUNT,
+	.chip_count = NRD_CHIP_COUNT,
 	.chip_addrs = {
 		PLAT_ARM_GICD_BASE >> 16,
 		(PLAT_ARM_GICD_BASE + CSS_SGI_REMOTE_CHIP_MEM_OFFSET(1)) >> 16
@@ -70,12 +70,12 @@
 	unsigned int i;
 	int ret;
 
-	if (plat_arm_sgi_get_multi_chip_mode() == 0 && CSS_SGI_CHIP_COUNT > 1) {
+	if (plat_arm_sgi_get_multi_chip_mode() == 0 && NRD_CHIP_COUNT > 1) {
 		ERROR("Chip Count is set to %d but multi-chip mode not enabled\n",
-				CSS_SGI_CHIP_COUNT);
+				NRD_CHIP_COUNT);
 		panic();
 	} else if (plat_arm_sgi_get_multi_chip_mode() == 1 &&
-			CSS_SGI_CHIP_COUNT > 1) {
+			NRD_CHIP_COUNT > 1) {
 		INFO("Enabling support for multi-chip in RD-N1-Edge\n");
 
 		for (i = 0; i < ARRAY_SIZE(rdn1edge_dynamic_mmap); i++) {
diff --git a/plat/arm/board/neoverse_rd/platform/rdn1edge/rdn1edge_topology.c b/plat/arm/board/neoverse_rd/platform/rdn1edge/rdn1edge_topology.c
index 6c52744..2e81536 100644
--- a/plat/arm/board/neoverse_rd/platform/rdn1edge/rdn1edge_topology.c
+++ b/plat/arm/board/neoverse_rd/platform/rdn1edge/rdn1edge_topology.c
@@ -11,10 +11,10 @@
  * The power domain tree descriptor.
  ******************************************************************************/
 static const unsigned char rdn1edge_pd_tree_desc[] = {
-	(PLAT_ARM_CLUSTER_COUNT) * (CSS_SGI_CHIP_COUNT),
+	(PLAT_ARM_CLUSTER_COUNT) * (NRD_CHIP_COUNT),
 	CSS_SGI_MAX_CPUS_PER_CLUSTER,
 	CSS_SGI_MAX_CPUS_PER_CLUSTER,
-#if (CSS_SGI_CHIP_COUNT > 1)
+#if (NRD_CHIP_COUNT > 1)
 	CSS_SGI_MAX_CPUS_PER_CLUSTER,
 	CSS_SGI_MAX_CPUS_PER_CLUSTER
 #endif
@@ -41,7 +41,7 @@
 	(SET_SCMI_CHANNEL_ID(0x0) | SET_SCMI_DOMAIN_ID(0x5)),
 	(SET_SCMI_CHANNEL_ID(0x0) | SET_SCMI_DOMAIN_ID(0x6)),
 	(SET_SCMI_CHANNEL_ID(0x0) | SET_SCMI_DOMAIN_ID(0x7)),
-#if (CSS_SGI_CHIP_COUNT > 1)
+#if (NRD_CHIP_COUNT > 1)
 	(SET_SCMI_CHANNEL_ID(0x1) | SET_SCMI_DOMAIN_ID(0x0)),
 	(SET_SCMI_CHANNEL_ID(0x1) | SET_SCMI_DOMAIN_ID(0x1)),
 	(SET_SCMI_CHANNEL_ID(0x1) | SET_SCMI_DOMAIN_ID(0x2)),