Move -z max-page-size from the target spec to the cookbook

recipes/core/kernel/recipe.toml

@@ -15,6 +15,7 @@ cargo rustc \
 	-- \
 	-C soft-float \
 	-C link-arg=-T -Clink-arg="${COOKBOOK_SOURCE}/linkers/${ARCH}.ld" \
+	-C link-arg=-z -Clink-arg=max-page-size=0x1000 \
 	--emit link="${PWD}/kernel.all"
 "${TARGET}-objcopy" \
 	--only-keep-debug \