Force rebuild of utun-ecc_platform_specific.o on every build to ensure platform-specific changes are picked up

src/Makefile.am

@@ -117,9 +117,12 @@ utun-ecc_dsa.o: $(TINYCRYPT_SRCDIR)/ecc_dsa.c
 utun-sha256.o: $(TINYCRYPT_SRCDIR)/sha256.c
 	$(AM_V_CC)$(COMPILE) $(TINYCRYPT_CFLAGS) -c -o $@ $<
 
-utun-ecc_platform_specific.o: $(TINYCRYPT_SRCDIR)/ecc_platform_specific.c
+# Force rebuild of ecc_platform_specific.o to pick up platform changes
+utun-ecc_platform_specific.o: $(TINYCRYPT_SRCDIR)/ecc_platform_specific.c FORCE
 	$(AM_V_CC)$(COMPILE) $(TINYCRYPT_CFLAGS) -c -o $@ $<
 
+FORCE:
+
 utun-utils.o: $(TINYCRYPT_SRCDIR)/utils.c
 	$(AM_V_CC)$(COMPILE) $(TINYCRYPT_CFLAGS) -c -o $@ $<