powerpc-utils: needs dynamic toolchain

Fixes:
http://autobuild.buildroot.net/results/a12/a1240ed6facb99518d71153c099dbd7d3d847af6/

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/powerpc-utils/Config.in

@@ -1,5 +1,10 @@
+comment "powerpc-utils tools needs a toolchain w/ dynamic library"
+	depends on BR2_powerpc || BR2_powerpc64 || BR2_powerpc64le
+	depends on BR2_STATIC_LIBS
+
 config BR2_PACKAGE_POWERPC_UTILS
 	bool "powerpc-utils"
+	depends on !BR2_STATIC_LIBS # dlfcn.h
 	depends on BR2_powerpc || BR2_powerpc64 || BR2_powerpc64le
 	select BR2_PACKAGE_ZLIB
 	help