Rename graphics/libxatracker to graphics/mesa-gallium-xa

Mesa 20.2 update will split some of the gallium driver into their
own ports so rename this gallium driver to be named like the other ones.

Reviewed by:	zeising
X-Differential Revision:	https://reviews.freebsd.org/D26682

MOVED

@@ -15640,3 +15640,4 @@ lang/spidermonkey68|lang/spidermonkey78|2020-10-01|Replaced by a more recent ver
 audio/zinf||2020-10-02|Has expired: Does not build, no upstream
 emulators/qemu-sbruno|emulators/qemu|2020-10-02|Has expired: Port will be removed in favor of emulators/qemu
 dns/knot2-lib|dns/knot3-lib|2020-10-04|Replaced by a more recent version
+graphics/libxatracker|graphics/mesa-gallium-xa|2020-10-12|Rename to have all gallium driver properly named

graphics/Makefile

@@ -494,7 +494,6 @@
     SUBDIR += libwmf
     SUBDIR += libwmf-nox11
     SUBDIR += libwpg03
-    SUBDIR += libxatracker
     SUBDIR += libyuv
     SUBDIR += libzmf
     SUBDIR += lightzone
@@ -535,6 +534,7 @@
     SUBDIR += mesa-demos
     SUBDIR += mesa-devel
     SUBDIR += mesa-dri
+    SUBDIR += mesa-gallium-xa
     SUBDIR += mesa-libs
     SUBDIR += metacam
     SUBDIR += metapixel

x11-drivers/xf86-video-vmware/Makefile

@@ -17,7 +17,7 @@ ONLY_FOR_ARCHS_REASON=	The vmware gfx protocol is only supported on x86-compatib
 USES=		xorg-cat:driver
 
 LIB_DEPENDS+=	libdrm.so:graphics/libdrm \
-		libxatracker.so:graphics/libxatracker
+		libxatracker.so:graphics/mesa-gallium-xa
 
 CONFIGURE_ARGS= --without-libudev