sysreset: provide type of reset in do_reset cmd

Add additional param for reset cmd, which provides type of reset.

Signed-off-by: Igor Opaniuk <igor.opaniuk@foundries.io>

cmd/boot.c

@@ -56,7 +56,7 @@ U_BOOT_CMD(
 #endif
 
 U_BOOT_CMD(
-	reset, 1, 0,	do_reset,
+	reset, 2, 0,	do_reset,
 	"Perform RESET of the CPU",
 	""
 );

drivers/sysreset/sysreset-uclass.c

@@ -122,10 +122,19 @@ void reset_cpu(void)
 #if IS_ENABLED(CONFIG_SYSRESET_CMD_RESET)
 int do_reset(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
 {
+	enum sysreset_t reset_type = SYSRESET_COLD;
+
+	if (argc > 2)
+		return CMD_RET_USAGE;
+
+	if (argc == 2 && argv[1][0] == '-' && argv[1][1] == 'w') {
+		reset_type = SYSRESET_WARM;
+	}
+
 	printf("resetting ...\n");
 	mdelay(100);
 
-	sysreset_walk_halt(SYSRESET_COLD);
+	sysreset_walk_halt(reset_type);
 
 	return 0;
 }