osmo-ggsn: update libgtp-queue_depth_32.patch

Adjust to change in osmo-ggsn I6034b0fab2b2e5962314c2fca2f893246ce5cf4f
("libgtp: Define retransmit QUEUE_SIZE relative to PDP_MAX (increase)").

Set it to 128, as Pau suggested.

Fix for:
  Applying patch libgtp-queue_depth_32.patch
  patching file gtp/queue.h
  Hunk #1 FAILED at 19.

Change-Id: Ib8803fba7d1308042d12186009344b2a61abb6e3
diff --git a/recipes-osmocom/osmo-ggsn/osmo-ggsn_git.bb b/recipes-osmocom/osmo-ggsn/osmo-ggsn_git.bb
index 5498d3d..8c63418 100644
--- a/recipes-osmocom/osmo-ggsn/osmo-ggsn_git.bb
+++ b/recipes-osmocom/osmo-ggsn/osmo-ggsn_git.bb
@@ -3,7 +3,7 @@
 S = "${WORKDIR}/git"
 SRCREV = "1.8.0"
 SRC_URI = "git://git.osmocom.org/osmo-ggsn;protocol=git;tag=${SRCREV};nobranch=1 \
-           file://libgtp-queue_depth_32.patch		    \
+           file://0001-libgtp-set-PDP_MAX-to-128.patch	    \
           "
 PV = "1.8.0+gitr${SRCPV}"
-PR = "${INC_PR}.0"
+PR = "${INC_PR}.1"