package/petitboot: fix NLS build

Fix the following NLS build failure on musl raised commit
bf9583a50276f52edbc37d9f85df5f2cc7fdb5dc:

/home/autobuild/autobuild/instance-4/output-1/host/lib/gcc/mips64el-buildroot-linux-musl/13.2.0/../../../../mips64el-buildroot-linux-musl/bin/ld: discover/pb_discover-pb-discover.o: undefined reference to symbol 'libintl_textdomain'

Fixes:
 - http://autobuild.buildroot.org/results/6d440d96e811674041b5a1fdae96d4c377824c2a

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

package/petitboot/petitboot.mk

@@ -7,10 +7,18 @@
 PETITBOOT_VERSION = 1.14
 PETITBOOT_SOURCE = petitboot-v$(PETITBOOT_VERSION).tar.gz
 PETITBOOT_SITE = https://github.com/open-power/petitboot/releases/download/v$(PETITBOOT_VERSION)
-PETITBOOT_DEPENDENCIES = elfutils ncurses udev host-bison host-flex lvm2
+PETITBOOT_DEPENDENCIES = \
+	elfutils \
+	ncurses \
+	udev \
+	host-bison \
+	host-flex \
+	lvm2 \
+	$(TARGET_NLS_DEPENDENCIES)
 PETITBOOT_LICENSE = GPL-2.0
 PETITBOOT_LICENSE_FILES = COPYING
 
+PETITBOOT_CONF_ENV = LDFLAGS="$(TARGET_LDFLAGS) $(TARGET_NLS_LIBS)"
 PETITBOOT_CONF_OPTS = \
 	--enable-crypt \
 	--enable-platform-auto \