package/uclibc: don't let uClibc build system strip uClibc

Let Buildroot handle this, so we can have an unstripped uClibc if
needed.

Signed-off-by: Ben Wolsieffer <Ben.Wolsieffer@hefring.com>
[Thomas: extracted from
https://patchwork.ozlabs.org/project/buildroot/patch/20220803200629.3172370-1-Ben.Wolsieffer@hefring.com/
and split into its own independent patch.]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/uclibc/uclibc.mk

@@ -397,6 +397,7 @@ define UCLIBC_KCONFIG_FIXUP_CMDS
 	$(call KCONFIG_SET_OPT,RUNTIME_PREFIX,"/")
 	$(call KCONFIG_SET_OPT,DEVEL_PREFIX,"/usr")
 	$(call KCONFIG_SET_OPT,SHARED_LIB_LOADER_PREFIX,"/lib")
+	$(call KCONFIG_DISABLE_OPT,DOSTRIP)
 	$(UCLIBC_MMU_CONFIG)
 	$(UCLIBC_BINFMT_CONFIG)
 	$(UCLIBC_AARCH64_PAGE_SIZE_CONFIG)