Bump minor version to 5.4.1

Signed-off-by: Sergio Lopez <slp@redhat.com>

Author: slp

Makefile

@@ -6,8 +6,8 @@ KERNEL_PATCHES = $(shell find patches/ -name "0*.patch" | sort)
 KERNEL_C_BUNDLE = kernel.c
 
 ABI_VERSION = 5
-FULL_VERSION = 5.4.0
-TIMESTAMP = "Fri May  8 14:25:15 CEST 2026"
+FULL_VERSION = 5.4.1
+TIMESTAMP = "Mon May 18 08:49:58 CEST 2026"
 
 KERNEL_FLAGS = KBUILD_BUILD_TIMESTAMP=$(TIMESTAMP)
 KERNEL_FLAGS += KBUILD_BUILD_USER=root