chore: rename Blackhawk to Cortex-X925

Rename Blackhawk to Cortex-X925.

Change-Id: I51e40a7bc6b8871c53c40d1f341853b1fd7fdf71
Signed-off-by: Govindraj Raja <govindraj.raja@arm.com>
diff --git a/plat/arm/board/arm_fpga/platform.mk b/plat/arm/board/arm_fpga/platform.mk
index 3217fb4..520a73a 100644
--- a/plat/arm/board/arm_fpga/platform.mk
+++ b/plat/arm/board/arm_fpga/platform.mk
@@ -78,7 +78,7 @@
 				lib/cpus/aarch64/neoverse_n2.S			\
 				lib/cpus/aarch64/neoverse_v1.S			\
 				lib/cpus/aarch64/cortex_a725.S		\
-				lib/cpus/aarch64/cortex_blackhawk.S
+				lib/cpus/aarch64/cortex_x925.S
 
 # AArch64/AArch32 cores
 	FPGA_CPU_LIBS	+=	lib/cpus/aarch64/cortex_a55.S	\
diff --git a/plat/arm/board/tc/platform.mk b/plat/arm/board/tc/platform.mk
index f79d807..3d10b7e 100644
--- a/plat/arm/board/tc/platform.mk
+++ b/plat/arm/board/tc/platform.mk
@@ -101,7 +101,7 @@
 ifeq (${TARGET_PLATFORM}, 3)
 TC_CPU_SOURCES	+=	lib/cpus/aarch64/cortex_a520.S \
 			lib/cpus/aarch64/cortex_a725.S \
-			lib/cpus/aarch64/cortex_blackhawk.S
+			lib/cpus/aarch64/cortex_x925.S
 endif
 
 INTERCONNECT_SOURCES	:=	${TC_BASE}/tc_interconnect.c