cpu: imx8: fix type and rate detection

CPU type and rate detection is broken, for A35 cpu we get A53:
...
sc_pm_get_clock_rate: resource:0 clk:2: res:3
Could not read CPU frequency: -22
CPU:   NXP i.MX8QXP RevB A53 at 0 MHz at 47C

Fixes: 55bc96f3b675 ("cpu: imx8: fix get core name and rate")
Signed-off-by: Anatolij Gustschin <agust@denx.de>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
diff --git a/drivers/cpu/imx8_cpu.c b/drivers/cpu/imx8_cpu.c
index dddd12d..8b297b2 100644
--- a/drivers/cpu/imx8_cpu.c
+++ b/drivers/cpu/imx8_cpu.c
@@ -54,11 +54,11 @@
 
 const char *get_core_name(struct udevice *dev)
 {
-	if (!device_is_compatible(dev, "arm,cortex-a35"))
+	if (device_is_compatible(dev, "arm,cortex-a35"))
 		return "A35";
-	else if (!device_is_compatible(dev, "arm,cortex-a53"))
+	else if (device_is_compatible(dev, "arm,cortex-a53"))
 		return "A53";
-	else if (!device_is_compatible(dev, "arm,cortex-a72"))
+	else if (device_is_compatible(dev, "arm,cortex-a72"))
 		return "A72";
 	else
 		return "?";
@@ -185,11 +185,11 @@
 	ulong rate;
 	int ret, type;
 
-	if (!device_is_compatible(dev, "arm,cortex-a35"))
+	if (device_is_compatible(dev, "arm,cortex-a35"))
 		type = SC_R_A35;
-	else if (!device_is_compatible(dev, "arm,cortex-a53"))
+	else if (device_is_compatible(dev, "arm,cortex-a53"))
 		type = SC_R_A53;
-	else if (!device_is_compatible(dev, "arm,cortex-a72"))
+	else if (device_is_compatible(dev, "arm,cortex-a72"))
 		type = SC_R_A72;
 	else
 		return 0;