[x86] Beautification changes in VCPU regdump

Signed-off-by: Himanshu Chauhan <hschauhan@nulltrace.org>
[x86] Various beautification changes in x86

o Move a lot of prints from verbose to debug.
o Made the vcpu dump state pretty.

Signed-off-by: Himanshu Chauhan <hschauhan@nulltrace.org>