MdeModulePkg/BootLogoLib: Center logo 38.2% from top of screen

Use Microsoft's recommended positioning [1] for the boot logo.

> We recommend that the logo is placed with its center at 38.2% from the
> screen's top edge. This positioning is based on the golden ratio's
> visual aesthetics and matches the Windows 10 design proportions.

[1]: https://docs.microsoft.com/en-us/windows-hardware/drivers/bringup/boot-screen-components#position-the-logo-during-post

MdeModulePkg/Library/BootLogoLib/BootLogoLib.c

@@ -175,7 +175,7 @@ BootLogoEnableLogo (
       break;
     case EdkiiPlatformLogoDisplayAttributeCenter:
       DestX = (SizeOfX - Image.Width) / 2;
-      DestY = (SizeOfY - Image.Height) / 2;
+      DestY = (SizeOfY * 382) / 1000 - Image.Height / 2;
       break;
     case EdkiiPlatformLogoDisplayAttributeCenterRight:
       DestX = SizeOfX - Image.Width;