remove arm support for vdso clock_gettime and modify 5.10 UAPI

Signed-off-by: NZachery Wu <wuzuoyu@huawei.com>
Change-Id: I4cfbf06e7cdfb45137df91d3626019255a4caaf1

arch/arm/syscall_arch.h

@@ -98,12 +98,6 @@ static inline long __syscall6(long n, long a, long b, long c, long d, long e, lo
 	__asm_syscall(R7_OPERAND, "0"(r0), "r"(r1), "r"(r2), "r"(r3), "r"(r4), "r"(r5));
 }
 
-#define VDSO_USEFUL
-#define VDSO_CGT32_SYM "__vdso_clock_gettime"
-#define VDSO_CGT32_VER "LINUX_2.6"
-#define VDSO_CGT_SYM "__vdso_clock_gettime64"
-#define VDSO_CGT_VER "LINUX_2.6"
-
 #define SYSCALL_FADVISE_6_ARG
 
 #define SYSCALL_IPC_BROKEN_MODE

musl_config.gni

@@ -32,7 +32,7 @@ declare_args() {
   user_custom_libc = true
   musl_ported_dir = "intermidiates/${musl_target_os}/musl_src_ported"
   musl_inc_out_dir = "usr/include/${musl_target_triple}"
-  uapi_dir = "//kernel/linux/patches/linux-4.19/prebuilts/usr/include"
+  uapi_dir = "//kernel/linux/patches/linux-5.10/prebuilts/usr/include"
 
   # if (is_asan) {
   #   musl_linker_asan_name =