kernel: bump 5.15 to 5.15.52

Patches automatically rebased.

Signed-off-by: Rui Salvaterra <[email protected]>

include/kernel-5.15

@@ -1,2 +1,2 @@
-LINUX_VERSION-5.15 = .51
-LINUX_KERNEL_HASH-5.15.51 = 1fba4878b27ef4fd9005e0870cb7aa7c4a051b66575cab102d36184b32a94988
+LINUX_VERSION-5.15 = .52
+LINUX_KERNEL_HASH-5.15.52 = f4680a5da9f25a908ead5956935e7c05124d5f37f6e75a1e07d58641d7ab6d05