deby.conf: correct match pattern in SANITY_TESTED_DISTROS

the commit 175263e5847cbd5eb2f272a76084238ef6835ab7 in poky
removed all non-alphanumerics from output of distro_identifier().
i.e. "Debian-GNU-Linux-*" => "DebianGNULinux-*"
This commit follows this specification change.

Signed-off-by: Kazuhiro Hayashi <kazuhiro3.hayashi@toshiba.co.jp>

conf/distro/deby.conf

@@ -64,15 +64,15 @@ protocol=${DEBIAN_GIT_PROTOCOL};\
 rev=${DISTRO_CODENAME}-master\
 "
 
-# currently only Debian 8.0 jessie is tested
+# currently only Debian 8.x jessie is tested
 # In Debian, tested distro names given by distro_identifier()
 # depend on the following command and files:
 # 1. lsb_release -ir => Debian-8*
 # 2. /etc/lsb-release => (no package provide this file)
-# 3. /etc/os-release => Debian-GNU-Linux-8*
+# 3. /etc/os-release => DebianGNULinux-8*
 SANITY_TESTED_DISTROS ?= " \
 Debian-8* \n \
-Debian-GNU-Linux-8* \n \
+DebianGNULinux-8* \n \
 "
 
 # Default hash policy for distro