package/elfutils: disable for avr32

Disable elfutils for avr32, because:
  - elfutils uses canonicalize_file_name, which came after uClibc-0.9.31.
  - avr32 uses a toolchain with uClibc-0.9.31

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/elfutils/Config.in

@@ -7,6 +7,9 @@ config BR2_PACKAGE_ELFUTILS
 	select BR2_PACKAGE_GETTEXT if BR2_NEEDS_GETTEXT
 	depends on BR2_LARGEFILE
 	depends on BR2_USE_WCHAR
+	# canonicalize_file_name() not available on uClibc 0.9.31, used
+	# only for AVR32
+	depends on !BR2_avr32
 	help
 	  Libraries/utilities to handle ELF objects (drop in
 	  replacement for libelf).