dt: amd-seattle: disable IPMI controller and some GPIO blocks on B0

Disable some peripherals that are not usable on B0 silicon based
Overdrives.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Author: ardbiesheuvel

arch/arm64/boot/dts/amd/amd-overdrive-rev-b0.dts

@@ -36,14 +36,6 @@
 	status = "ok";
 };
 
-&gpio2 {
-	status = "ok";
-};
-
-&gpio3 {
-	status = "ok";
-};
-
 &gpio4 {
 	status = "ok";
 };
@@ -79,10 +71,6 @@
 	};
 };
 
-&ipmi_kcs {
-	status = "ok";
-};
-
 &smb0 {
 	/include/ "amd-seattle-xgbe-b.dtsi"
 };