Update drm kmods for current and FreeBSD 12.0

Update graphics/drm-current-kmod and graphics/drm-fbsd12.0-kmod to their
respective latest snapshots.

This fixes a bug where a non-recursive mutex was used recursively in certain
conditions.
See FreeBSDDesktop/kms-drm#134 for further details

FreeBSDDesktop issue:	#134
Approved by:		jmd (maintainer, implicit)
MFH:			2019Q1 (implicit approval, drm drivers)
Sponsored by:		B3 Init


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@494747 35697150-7ecd-e111-bb59-0022644237b5

graphics/drm-current-kmod/Makefile

@@ -2,7 +2,7 @@
 # $FreeBSD$
 
 PORTNAME=	drm-current-kmod
-PORTVERSION=	4.16.g20190213
+PORTVERSION=	4.16.g20190305
 CATEGORIES=	graphics kld
 
 MAINTAINER=	jmd@FreeBSD.org
@@ -25,7 +25,7 @@ USES=		kmod uidfix compiler:c++11-lang
 USE_GITHUB=	yes
 GH_ACCOUNT=	FreeBSDDesktop
 GH_PROJECT=	kms-drm
-GH_TAGNAME=	7f7f973
+GH_TAGNAME=	78e51d0
 
 .include <bsd.port.options.mk>
 

graphics/drm-current-kmod/distinfo

@@ -1,3 +1,3 @@
-TIMESTAMP = 1550091521
-SHA256 (FreeBSDDesktop-kms-drm-4.16.g20190213-7f7f973_GH0.tar.gz) = 030d659c081b27896e8c68b56ca3587254480e357285dd576d82e8757d21ac44
-SIZE (FreeBSDDesktop-kms-drm-4.16.g20190213-7f7f973_GH0.tar.gz) = 13089561
+TIMESTAMP = 1551820688
+SHA256 (FreeBSDDesktop-kms-drm-4.16.g20190305-78e51d0_GH0.tar.gz) = 79f716f59825235476fb9a0416244c9b97872ce68ee30ad716e720505df21feb
+SIZE (FreeBSDDesktop-kms-drm-4.16.g20190305-78e51d0_GH0.tar.gz) = 13088998

graphics/drm-fbsd12.0-kmod/Makefile

@@ -2,7 +2,7 @@
 # $FreeBSD$
 
 PORTNAME=	drm-fbsd12.0-kmod
-PORTVERSION=	4.16.g20190213
+PORTVERSION=	4.16.g20190305
 CATEGORIES=	graphics
 
 MAINTAINER=	jmd@FreeBSD.org
@@ -25,7 +25,7 @@ USES=		kmod uidfix compiler:c++11-lang
 USE_GITHUB=	yes
 GH_ACCOUNT=	FreeBSDDesktop
 GH_PROJECT=	kms-drm
-GH_TAGNAME=	a5516b9
+GH_TAGNAME=	4192575
 
 .include <bsd.port.options.mk>
 

graphics/drm-fbsd12.0-kmod/distinfo

@@ -1,3 +1,3 @@
-TIMESTAMP = 1550091661
-SHA256 (FreeBSDDesktop-kms-drm-4.16.g20190213-a5516b9_GH0.tar.gz) = 016cad0ff16367d55818662a090d8635e37fc313872acc7b7a3c444f9e3ce038
-SIZE (FreeBSDDesktop-kms-drm-4.16.g20190213-a5516b9_GH0.tar.gz) = 13089363
+TIMESTAMP = 1551820854
+SHA256 (FreeBSDDesktop-kms-drm-4.16.g20190305-4192575_GH0.tar.gz) = a0115ebf3d3ec15ad7d4580ec73f51b485b53550f1a670a35bf10621702eec27
+SIZE (FreeBSDDesktop-kms-drm-4.16.g20190305-4192575_GH0.tar.gz) = 13088998