arm64: zynqmp: Switch to amd.com emails

Update my and DPs email address to match current setup.

Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/aba5b19b9c5a95608829e86ad5cc4671c940f1bb.1688992543.git.michal.simek@amd.com
diff --git a/arch/arm/dts/avnet-ultra96-rev1.dts b/arch/arm/dts/avnet-ultra96-rev1.dts
index ddb8feb..96a6403 100644
--- a/arch/arm/dts/avnet-ultra96-rev1.dts
+++ b/arch/arm/dts/avnet-ultra96-rev1.dts
@@ -4,7 +4,7 @@
  *
  * (C) Copyright 2018 - 2020, Xilinx, Inc.
  *
- * Michal Simek <michal.simek@xilinx.com>
+ * Michal Simek <michal.simek@amd.com>
  */
 
 /dts-v1/;