libpam: bump to 1.2.0

- Add configure options --disable-nis, --disable-regenerate-docu
 - 000-OE-libpam-xtests.patch is not relevant in OpenWrt
 - 001-no_nis.patch was dropped because we now --disable-nis
 - 002-no_yywrap.patch was dropped be cause it was fixed in 1.2.0
 - 003-no_doc was dropped because we ignore doc/ with
   --disable-regenreate-docu
 - 004-fix_lib64 was replaced by new 0001-build-use-host_cpu...
 - pam_rhosts will not be built with musl because ruserok{,_af{
   are not available
 - pam_lastlog will not be built with musl because logwtmp is missing

Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>

libs/libpam/Makefile

@@ -8,8 +8,8 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=libpam
-PKG_VERSION:=1.1.8
-PKG_RELEASE:=5
+PKG_VERSION:=1.2.0
+PKG_RELEASE:=1
 
 PKG_SOURCE:=Linux-PAM-$(PKG_VERSION).tar.bz2
 PKG_SOURCE_URL:=http://www.linux-pam.org/library/
@@ -45,6 +45,8 @@ define Build/Configure
 		--disable-selinux \
 		--disable-nls \
 		--disable-rpath \
+		--disable-nis \
+		--disable-regenerate-docu \
 		--enable-db=no \
 	)
 endef