Update to v6.3 kernel headers.

Kernel headers coming from:

Git: https://android.googlesource.com/kernel/common/
Branch: android-mainline
Tag: android-mainline-6.3

Test: Bionic unit tests pass.
Change-Id: I5270ef291a77343e47ef3a5fbd02b8cacf218ec5
diff --git a/libc/kernel/uapi/linux/cxl_mem.h b/libc/kernel/uapi/linux/cxl_mem.h
index c94af87..5a0a34e 100644
--- a/libc/kernel/uapi/linux/cxl_mem.h
+++ b/libc/kernel/uapi/linux/cxl_mem.h
@@ -37,7 +37,9 @@
 struct cxl_command_info {
   __u32 id;
   __u32 flags;
-#define CXL_MEM_COMMAND_FLAG_MASK GENMASK(0, 0)
+#define CXL_MEM_COMMAND_FLAG_MASK GENMASK(1, 0)
+#define CXL_MEM_COMMAND_FLAG_ENABLED BIT(0)
+#define CXL_MEM_COMMAND_FLAG_EXCLUSIVE BIT(1)
   __u32 size_in;
   __u32 size_out;
 };