package/avrdude: enable linuxgpio by default

Enable linux sysfs gpio framework cfg opt.

Signed-off-by: Sam Voss <samuel.voss@rockwellcollins.com>
Signed-off-by: Matt Weber <matthew.weber@rockwellcollins.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/avrdude/avrdude.mk

@@ -12,6 +12,7 @@ AVRDUDE_SUBDIR = avrdude
 # Sources coming from git, without generated configure and Makefile.in
 # files.
 AVRDUDE_AUTORECONF = YES
+AVRDUDE_CONF_OPTS = --enable-linuxgpio
 AVRDUDE_DEPENDENCIES = elfutils libusb libusb-compat ncurses \
 	host-flex host-bison
 AVRDUDE_LICENSE = GPL-2.0+