knot: disable libmaxminddb detection

Disable libmaxminddb detection to fix a build error due to
missing dependency.
(the libmaxminddb library is now detected, but is unncessary.)

Signed-off-by: Hannu Nyman <hannu.nyman@iki.fi>
(cherry picked from commit ce46bf8a43)

net/knot/Makefile

@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=knot
 PKG_VERSION:=3.2.4
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
 PKG_SOURCE_URL:=https://secure.nic.cz/files/knot-dns/
@@ -151,6 +151,7 @@ CONFIGURE_ARGS += 			\
 	--enable-recvmmsg=no		\
 	--enable-cap-ng=no            	\
 	--enable-xdp=no                 \
+	--enable-maxminddb=no		\
 	--disable-fastparser		\
 	--without-libidn		\
 	--with-libnghttp2=no		\