package/cups-filters: disable Braille embosing filters

Otherwise they are installed even though the Braille support is not
built because it requires liblouis, which is not available.

Signed-off-by: Carlos Santos <unixmania@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/cups-filters/cups-filters.mk

@@ -14,6 +14,7 @@ CUPS_FILTERS_DEPENDENCIES = cups libglib2 lcms2 qpdf fontconfig freetype jpeg
 CUPS_FILTERS_CONF_OPTS = --disable-imagefilters \
 	--disable-mutool \
 	--disable-foomatic \
+	--disable-braille \
 	--with-cups-config=$(STAGING_DIR)/usr/bin/cups-config \
 	--with-sysroot=$(STAGING_DIR) \
 	--with-pdftops=pdftops \