lcms: add PACKAGECONFIGs for the optional JPEG and TIFF libraries

These optional libraries are used by the tools.

JPEG was implicitly enabled previously, as our tiff recipe by default
pulls in libjpeg.

Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Khem Raj <khem.raj@oss.qualcomm.com>

meta-oe/recipes-support/lcms/lcms_2.19.1.bb

@@ -8,14 +8,16 @@ SRC_URI = "${SOURCEFORGE_MIRROR}/lcms/lcms2-${PV}.tar.gz \
            "
 SRC_URI[sha256sum] = "bfc54f7bab59fbc921012014a8032e4cba4abd46db47d46b76416a8c0b2815c8"
 
-DEPENDS = "tiff"
-
 BBCLASSEXTEND = "native nativesdk"
 
 S = "${UNPACKDIR}/lcms2-${PV}"
 
 inherit autotools sourceforge-releases lib_package ptest
 
+PACKAGECONFIG ??= "jpeg tiff"
+PACKAGECONFIG[jpeg] = "--with-jpeg,--without-jpeg,jpeg"
+PACKAGECONFIG[tiff] = "--with-tiff,--without-tiff,tiff"
+
 do_compile_ptest() {
     oe_runmake -C ${B}/testbed testcms
 }