tpm: Rename Infineon TPM to slb9645tt

This name is used in Linux, so use it in U-Boot.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/arm/dts/exynos5420-peach-pit.dts b/arch/arm/dts/exynos5420-peach-pit.dts
index 7d8fa28..6fe762d 100644
--- a/arch/arm/dts/exynos5420-peach-pit.dts
+++ b/arch/arm/dts/exynos5420-peach-pit.dts
@@ -79,7 +79,7 @@
 	i2c@12e10000 { /* i2c9 */
 		clock-frequency = <400000>;
                 tpm@20 {
-                        compatible = "infineon,slb9645-tpm";
+                        compatible = "infineon,slb9645tt";
                         reg = <0x20>;
 		};
 	};
diff --git a/arch/arm/dts/exynos5800-peach-pi.dts b/arch/arm/dts/exynos5800-peach-pi.dts
index 8c1f616..176ce55 100644
--- a/arch/arm/dts/exynos5800-peach-pi.dts
+++ b/arch/arm/dts/exynos5800-peach-pi.dts
@@ -72,7 +72,7 @@
 	i2c@12e10000 { /* i2c9 */
 		clock-frequency = <400000>;
                 tpm@20 {
-                        compatible = "infineon,slb9645-tpm";
+                        compatible = "infineon,slb9645tt";
                         reg = <0x20>;
 		};
 	};