taglib: fix legal info

taglib is dual licensed under LGPLv2.1 or MPLv1.1. Almost all source
files have license text mentioning LGPLv2.1 or alternatively MPLv1.1.

Signed-off-by: Rahul Bedarkar <rahul.bedarkar@imgtec.com>
[Thomas: use MPL-1.1 instead of MPLv1.1, since MPL-1.1 is the SPDX
license code for this license.]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/taglib/taglib.mk

@@ -7,7 +7,7 @@
 TAGLIB_VERSION = 1.11.1
 TAGLIB_SITE = http://taglib.github.io/releases
 TAGLIB_INSTALL_STAGING = YES
-TAGLIB_LICENSE = LGPLv2.1, MPL
+TAGLIB_LICENSE = LGPLv2.1 or MPL-1.1
 TAGLIB_LICENSE_FILES = COPYING.LGPL COPYING.MPL
 
 ifeq ($(BR2_PACKAGE_ZLIB),y)