package/pcre2: add pcre2-16 to the host variant

This will be needed by qt6base, and it is not worth creating a hidden
host package option for this.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>

package/pcre2/pcre2.mk

@@ -28,5 +28,8 @@ ifeq ($(BR2_USE_MMU),)
 PCRE2_CONF_OPTS += --disable-pcre2grep-callout
 endif
 
+# needed for qt6base
+HOST_PCRE2_CONF_OPTS = --enable-pcre2-16
+
 $(eval $(autotools-package))
 $(eval $(host-autotools-package))