package/wireshark: fix compile with ccache enabled

- use HOSTCC_NOCCACHE (instead of HOSTCC) for LEMON_C_COMPILER

Fixes:
  [...] /usr/bin/cmake [...] -DLEMON_C_COMPILER=.../host/bin/ccache /usr/bin/gcc [...]
  [...]
  [  0%] Building C object tools/lemon/CMakeFiles/lemon.dir/lemon.c.o
  .../host/bin/ccache: invalid option -- 'D'

Reported-by: Dan Ambrosio <dambrosio@outrider.ai>
Signed-off-by: Peter Seiderer <ps.report@gmx.net>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
(cherry picked from commit 082076ffc186392f2b794facaa0545529e4f5851)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/wireshark/wireshark.mk

@@ -24,7 +24,7 @@ WIRESHARK_CONF_OPTS = \
 	-DENABLE_ILBC=OFF \
 	-DENABLE_PCAP=ON \
 	-DENABLE_SMI=OFF \
-	-DLEMON_C_COMPILER=$(HOSTCC)
+	-DLEMON_C_COMPILER=$(HOSTCC_NOCCACHE)
 
 ifeq ($(BR2_TOOLCHAIN_HAS_LIBATOMIC),y)
 WIRESHARK_CONF_OPTS += -DCMAKE_EXE_LINKER_FLAGS=-latomic