Fixes "ld: read-only segment has dynamic relocations" error caused by "main/binutils: add -z text by default":
https://gitlab.alpinelinux.org/alpine/aports/-/commit/a737d101cad8c0acf782d9a0ec38cf8d3432b6ff
https://gitlab.alpinelinux.org/alpine/aports/-/commit/098309ba27bbb71f3723aa2e6e180776e0396b86

diff --git a/Makefile b/Makefile
index 4ee2a6394ec3..3fbced2573d1 100644
--- a/Makefile
+++ b/Makefile
@@ -969,6 +969,8 @@ ifeq ($(CONFIG_STRIP_ASM_SYMS),y)
 LDFLAGS_vmlinux        += $(call ld-option, -X,)
 endif
 
+LDFLAGS_vmlinux += -z notext
+
 ifneq ($(SEC_BUILD_CONF_USE_FINGERPRINT_TZ), false)
   ifeq ($(CONFIG_SENSORS_FINGERPRINT), y)
     ifneq ($(CONFIG_SEC_FACTORY), y)