OvmfPkg/Bhyve: Fix various style issues

Fix ordering of includes, sources, libraries etc.
Remove leading/trailing underscores from include guards.
Change INF and DSC version numbers to be decimal.

Signed-off-by: Rebecca Cran <rebecca@bsdio.com>
Message-Id: <20201130053412.2-6-rebecca@bsdio.com>
Acked-by: Peter Grehan <grehan@freebsd.org>
Acked-by: Laszlo Ersek <lersek@redhat.com>
Build-tested-by: Laszlo Ersek <lersek@redhat.com>

OvmfPkg/Bhyve/PlatformPei/Cmos.h

@@ -6,8 +6,8 @@
 
 **/
 
-#ifndef __CMOS_H__
-#define __CMOS_H__
+#ifndef _CMOS_H_
+#define _CMOS_H_
 
 /**
   Reads 8-bits of CMOS data.
@@ -46,5 +46,5 @@ CmosWrite8 (
   );
 
 
-#endif
+#endif /* _CMOS_H_ */