Update to v6.9 kernel headers.

Kernel headers coming from:

Git: https://android.googlesource.com/kernel/common/
Branch: android-mainline
Tag: android-mainline-6.9

Test: Builds and bionic unit tests pass on raven.
Test: Able to log in to an Android GO 32 bit device.
Change-Id: If53a38bbb65c3c653ce790fe5c6e51597901a14e
diff --git a/libc/kernel/uapi/asm-arm64/asm/hwcap.h b/libc/kernel/uapi/asm-arm64/asm/hwcap.h
index 5abff63..f5c720a 100644
--- a/libc/kernel/uapi/asm-arm64/asm/hwcap.h
+++ b/libc/kernel/uapi/asm-arm64/asm/hwcap.h
@@ -86,4 +86,19 @@
 #define HWCAP2_SVE_B16B16 (1UL << 45)
 #define HWCAP2_LRCPC3 (1UL << 46)
 #define HWCAP2_LSE128 (1UL << 47)
+#define HWCAP2_FPMR (1UL << 48)
+#define HWCAP2_LUT (1UL << 49)
+#define HWCAP2_FAMINMAX (1UL << 50)
+#define HWCAP2_F8CVT (1UL << 51)
+#define HWCAP2_F8FMA (1UL << 52)
+#define HWCAP2_F8DP4 (1UL << 53)
+#define HWCAP2_F8DP2 (1UL << 54)
+#define HWCAP2_F8E4M3 (1UL << 55)
+#define HWCAP2_F8E5M2 (1UL << 56)
+#define HWCAP2_SME_LUTV2 (1UL << 57)
+#define HWCAP2_SME_F8F16 (1UL << 58)
+#define HWCAP2_SME_F8F32 (1UL << 59)
+#define HWCAP2_SME_SF8FMA (1UL << 60)
+#define HWCAP2_SME_SF8DP4 (1UL << 61)
+#define HWCAP2_SME_SF8DP2 (1UL << 62)
 #endif