libxv: Update LICENSE field version to MIT-style

* Updated LICENSE field version from generic GPL to MIT-style to
  reflect the real license version.
* This change was based on setting in oe-core as well as code
  inspection.

Signed-off-by: Chase Maupin <Chase.Maupin@ti.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

recipes/xorg-lib/libxv_1.0.6.bb

@@ -1,8 +1,8 @@
 require xorg-lib-common.inc
 DESCRIPTION = "X11 Video extension library"
-LICENSE = "GPL"
+LICENSE = "MIT-style"
 DEPENDS += "libxext videoproto"
-PR = "${INC_PR}.0"
+PR = "${INC_PR}.1"
 
 SRC_URI[archive.md5sum] = "e292445a64b63e918bbc8b6aae6391dd"
 SRC_URI[archive.sha256sum] = "e20f8e594bb0f44f3fbd25996945730391d72acbe5eaac760429fd6579caf5ee"