feat: risc-v gn 编译框架添加汇编编译选项

Close #I3YS5Y

Change-Id: I380bc3442222ba18a0eebba4022ad6ca032e3de2
Signed-off-by: zhushengle <zhushengle@huawei.com>

kernel/arch/risc-v/riscv32/gcc/BUILD.gn

@@ -28,6 +28,7 @@
 # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 static_library("arch") {
+  asmflags = board_asmflags
   sources = [
     "los_context.c",
     "los_dispatch.S",

testsuits/src/osTest.c

@@ -233,11 +233,9 @@ VOID TestHwiClear(UINT32 hwiNum)
 #define HIGH_SHIFT 32
 UINT64 LosCpuCycleGet(VOID)
 {
-    UINT32 timeHi, timeLo;
     UINT64 timeCycle;
 
-    LOS_GetCpuCycle(&timeHi, &timeLo);
-    timeCycle = ((UINT64)timeHi << HIGH_SHIFT) + timeLo;
+    timeCycle = LOS_SysCycleGet();
     return timeCycle;
 }
 #else