platform/x86: ISST: Allow additional core-power mailbox commands

To discover core-power capability, some new mailbox commands are added. Allow
those commands to execute.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

drivers/platform/x86/intel_speed_select_if/isst_if_common.c

@@ -50,6 +50,8 @@ static const struct isst_valid_cmd_ranges isst_valid_cmds[] = {
 	{0x7F, 0x00, 0x0B},
 	{0x7F, 0x10, 0x12},
 	{0x7F, 0x20, 0x23},
+	{0x94, 0x03, 0x03},
+	{0x95, 0x03, 0x03},
 };
 
 static const struct isst_cmd_set_req_type isst_cmd_set_reqs[] = {
@@ -59,6 +61,7 @@ static const struct isst_cmd_set_req_type isst_cmd_set_reqs[] = {
 	{0xD0, 0x03, 0x08},
 	{0x7F, 0x02, 0x00},
 	{0x7F, 0x08, 0x00},
+	{0x95, 0x03, 0x03},
 };
 
 struct isst_cmd {