selftests: breakpoints: fix installing error on the architecture except x86

Signed-off-by: Bamvor Jian Zhang <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>

tools/testing/selftests/breakpoints/Makefile

@@ -1,22 +1,12 @@
 # Taken from perf makefile
 uname_M := $(shell uname -m 2>/dev/null || echo not)
-ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/i386/)
-ifeq ($(ARCH),i386)
-        ARCH := x86
-endif
-ifeq ($(ARCH),x86_64)
-	ARCH := x86
-endif
+ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/x86/ -e s/x86_64/x86/)
 
+ifeq ($(ARCH),x86)
+TEST_PROGS := breakpoint_test
+endif
 
 all:
-ifeq ($(ARCH),x86)
-	gcc breakpoint_test.c -o breakpoint_test
-else
-	echo "Not an x86 target, can't build breakpoints selftests"
-endif
-
-TEST_PROGS := breakpoint_test
 
 include ../lib.mk