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/microblaze/include/asm/spl.h b/arch/microblaze/include/asm/spl.h
index 350d283..7557dc2 100644
--- a/arch/microblaze/include/asm/spl.h
+++ b/arch/microblaze/include/asm/spl.h
@@ -2,7 +2,7 @@
 /*
  * (C) Copyright 2013 - 2014 Xilinx, Inc
  *
- * Michal Simek <michal.simek@xilinx.com>
+ * Michal Simek <michal.simek@amd.com>
  */
 
 #ifndef _ASM_MICROBLAZE_SPL_H_