package/v4l2loopback: bump to version v0.12.1

This should fix a kernel 5.x.x compatibility issue.

Signed-off-by: James Hilliard <james.hilliard1@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/v4l2loopback/v4l2loopback.hash

@@ -1,3 +1,3 @@
 # Locally calculated
-sha256	419354f1de98b4f25be75decde942026c7e9e2d2c2def283c2988875e4a16aa6  v4l2loopback-v0.12.0.tar.gz
+sha256	f2b9b7f8611c1a77b2f496ee505e49860121079c998bb735e4bb6b8954132348  v4l2loopback-v0.12.1.tar.gz
 sha256	8177f97513213526df2cf6184d8ff986c675afb514d4e68a404010521b880643  COPYING

package/v4l2loopback/v4l2loopback.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-V4L2LOOPBACK_VERSION = v0.12.0
+V4L2LOOPBACK_VERSION = v0.12.1
 V4L2LOOPBACK_SITE = $(call github,umlaeute,v4l2loopback,$(V4L2LOOPBACK_VERSION))
 V4L2LOOPBACK_LICENSE = GPL-2.0+
 V4L2LOOPBACK_LICENSE_FILES = COPYING