[packages] gstreamer: update grammar.y to build with bison 3

In gstreamer's gst/parse/grammar.y, YYLEX_PARAM is no longer supported in bison
3. Replace YYLEX_PARAM with %lex-param.

Signed-off-by John Vogel <jvogel4@stny.rr.com>

git-svn-id: svn://svn.openwrt.org/openwrt/packages@39182 3c298f89-4303-0410-b956-a3cf2f4a3e73

multimedia/gstreamer/patches/001-no_docs.patch

@@ -18,7 +18,7 @@
  	common
 --- a/Makefile.in
 +++ b/Makefile.in
-@@ -445,7 +445,6 @@ aclocaldir = $(datadir)/aclocal
+@@ -469,7 +469,6 @@ aclocaldir = $(datadir)/aclocal
  aclocal_DATA = gst-element-check-@GST_MAJORMINOR@.m4
  SUBDIRS = pkgconfig \
  	gst libs plugins tools tests \
@@ -26,7 +26,7 @@
  	po \
  	m4 \
  	common
-@@ -454,7 +453,6 @@ SUBDIRS = pkgconfig \
+@@ -478,7 +477,6 @@ SUBDIRS = pkgconfig \
  # These are all the possible subdirs
  DIST_SUBDIRS = pkgconfig \
  	gst libs plugins tools tests \