arm_adi_v5: fix scan-build warning [3/3]

While scan-build complains that dap_p or ap_num_p could be NULL,
the current code never passes NULL pointers.
Add an assert() to silent scan-build and prevent any further use
of the function with incorrect parameters.

Change-Id: I656810dddcea61e85d85b13efb114f7607ef837c
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
Reviewed-on: https://review.openocd.org/c/openocd/+/7012
Tested-by: jenkins
Reviewed-by: Tomas Vanek <vanekt@fbl.cz>

src/target/arm_adi_v5.c

@@ -1938,6 +1938,8 @@ static const struct jim_nvp nvp_config_opts[] = {
 static int adiv5_jim_spot_configure(struct jim_getopt_info *goi,
 		struct adiv5_dap **dap_p, int *ap_num_p, uint32_t *base_p)
 {
+	assert(dap_p && ap_num_p);
+
 	if (!goi->argc)
 		return JIM_OK;