poky-lsb: Add "largefile" feature for LSB distro.

Add "largefile" feature for LSB distro.
Fixes [YOCTO #794]

(From OE-Core rev: 0e7c0a018bee5a4033e5a90a44802e3f582f739f)

Signed-off-by: Jingdong Lu <jingdong.lu@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta-yocto/conf/distro/poky-lsb.conf

@@ -3,7 +3,7 @@ require conf/distro/poky.conf
 DISTRO = "poky-lsb"
 DISTROOVERRIDES = "poky:poky-lsb"
 
-DISTRO_FEATURES += "pam"
+DISTRO_FEATURES += "pam largefile"
 PREFERRED_PROVIDER_virtual/libx11 = "libx11"