ppp: upgrade to 2.4.6

(From OE-Core rev: d05b1d06b5b8b84c2a40639ad28e31cd683f89a4)

Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-connectivity/ppp/ppp_2.4.6.bb

@@ -10,15 +10,12 @@ LIC_FILES_CHKSUM = "file://pppd/ccp.c;beginline=1;endline=29;md5=e2c43fe6e81ff77
                     file://pppd/plugins/passprompt.c;beginline=1;endline=10;md5=3bcbcdbf0e369c9a3e0b8c8275b065d8 \
                     file://pppd/tdb.c;beginline=1;endline=27;md5=4ca3a9991b011038d085d6675ae7c4e6 \
                     file://chat/chat.c;beginline=1;endline=15;md5=0d374b8545ee5c62d7aff1acbd38add2"
-PR = "r6"
 
 SRC_URI = "http://ppp.samba.org/ftp/ppp/ppp-${PV}.tar.gz \
            file://makefile.patch \
            file://cifdefroute.patch \
            file://pppd-resolv-varrun.patch \
-           file://enable-ipv6.patch \
            file://makefile-remove-hard-usr-reference.patch \
-           file://update_if_pppol2tp.patch \
            file://pon \
            file://poff \
            file://init \
@@ -30,12 +27,11 @@ SRC_URI = "http://ppp.samba.org/ftp/ppp/ppp-${PV}.tar.gz \
            file://pap \
            file://ppp_on_boot \
            file://provider \
-           file://0001-ppp-Add-two-structures-in-if_pppol2tp.h.patch \
            file://0001-ppp-Fix-compilation-errors-in-Makefile.patch \
 "
 
-SRC_URI[md5sum] = "4621bc56167b6953ec4071043fe0ec57"
-SRC_URI[sha256sum] = "43317afec9299f9920b96f840414c977f0385410202d48e56d2fdb8230003505"
+SRC_URI[md5sum] = "3434d2cc9327167a0723aaaa8670083b"
+SRC_URI[sha256sum] = "1b33181a03962c8a092c055fb9980e9722728a8d98a4bb7ec7acda17c1b1b49d"
 
 inherit autotools-brokensep