Update to v6.1 kernel headers.

Kernel headers coming from:

Git: https://android.googlesource.com/kernel/common/
Branch: android-mainline
Tag: android-mainline-6.1

Test: Bionic unit tests pass.
Change-Id: I9414fb5e698a9806b85eb09e37d763849f08a468
diff --git a/libc/kernel/uapi/asm-riscv/asm/auxvec.h b/libc/kernel/uapi/asm-riscv/asm/auxvec.h
index b0e22af..c70be17 100644
--- a/libc/kernel/uapi/asm-riscv/asm/auxvec.h
+++ b/libc/kernel/uapi/asm-riscv/asm/auxvec.h
@@ -25,5 +25,7 @@
 #define AT_L1D_CACHEGEOMETRY 43
 #define AT_L2_CACHESIZE 44
 #define AT_L2_CACHEGEOMETRY 45
-#define AT_VECTOR_SIZE_ARCH 7
+#define AT_L3_CACHESIZE 46
+#define AT_L3_CACHEGEOMETRY 47
+#define AT_VECTOR_SIZE_ARCH 9
 #endif