cnss2: Allocate sram dump memory for qca6490 debug build only

Sram dumps are getting dumped only for qca6490 debug build, so
allocate sram dump memory for qca6490 debug build only.

Change-Id: If714b49720c1445ebfc0d4645dde592145b734a8
CRs-Fixed: 3256709

cnss2/main.c

@@ -3840,7 +3840,9 @@ static int cnss_misc_init(struct cnss_plat_data *plat_priv)
 		cnss_pr_err("QMI IPC connection call back register failed, err = %d\n",
 			    ret);
 
-	plat_priv->sram_dump = kcalloc(SRAM_DUMP_SIZE, 1, GFP_KERNEL);
+	if (plat_priv->device_id == QCA6490_DEVICE_ID &&
+	    cnss_get_host_build_type() == QMI_HOST_BUILD_TYPE_PRIMARY_V01)
+		plat_priv->sram_dump = kcalloc(SRAM_DUMP_SIZE, 1, GFP_KERNEL);
 
 	return 0;
 }