modules/powerpc-utils: add

This provides nvram tool that allows manipulating configuration of
skiboot.

Signed-off-by: Sergii Dmytruk <sergii.dmytruk@3mdeb.com>

Makefile

@@ -473,6 +473,7 @@ bin_modules-$(CONFIG_UTIL_LINUX) += util-linux
 bin_modules-$(CONFIG_OPENSSL) += openssl
 bin_modules-$(CONFIG_TPM2_TOOLS) += tpm2-tools
 bin_modules-$(CONFIG_BASH) += bash
+bin_modules-$(CONFIG_POWERPC_UTILS) += powerpc-utils
 
 $(foreach m, $(bin_modules-y), \
 	$(call map,initrd_bin_add,$(call bins,$m)) \

modules/powerpc-utils

@@ -0,0 +1,27 @@
+modules-$(CONFIG_POWERPC_UTILS) += powerpc-utils
+
+powerpc-utils_version := 1.3.5
+powerpc-utils_dir := powerpc-utils-$(powerpc-utils_version)
+powerpc-utils_tar := powerpc-utils-$(powerpc-utils_version).tar.gz
+powerpc-utils_url := https://github.com/ibm-power-utilities/powerpc-utils/archive/v$(powerpc-utils_version)/$(powerpc-utils_tar)
+powerpc-utils_hash := 77efe3978ac9c251c4728a35b9aebd6076583939a8e26cc7f07ffa86432a8bf0
+
+powerpc-utils_configure := \
+	./autogen.sh && \
+	$(CROSS_TOOLS) \
+	CFLAGS="-Os"  \
+	./configure \
+	--host $(MUSL_ARCH)-elf-linux \
+	--prefix "/" \
+	--without-systemd \
+	--without-librtas
+
+powerpc-utils_target := \
+	$(MAKE_JOBS) \
+	$(CROSS_TOOLS) \
+	DESTDIR="$(INSTALL)" \
+	install
+
+powerpc-utils_output := src/nvram
+
+powerpc-utils_depends := $(musl_dep)

patches/powerpc-utils-1.3.5.patch

@@ -0,0 +1,17 @@
+AC_FUNC_MALLOC somehow fails to find malloc(), so drop the check
+
+Weirdly, it doesn't fail configuration, but instead adds -Dmalloc=rpl_malloc
+and fails linking.
+
+diff --git a/configure.ac.orig b/configure.ac
+index a7be3ee95c..74aade323b 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -33,7 +33,6 @@ AC_TYPE_UINT8_T
+ # Checks for library functions.
+ AC_FUNC_FORK
+ AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK
+-AC_FUNC_MALLOC
+ AC_FUNC_MKTIME
+ AC_CHECK_FUNCS([memset strchr strcspn strdup strerror strrchr strstr strtol strtoul strtoull gettimeofday])
+