MAINTAINERS: Add include/hw/unicore32/ to UniCore32 section

get_maintainer.pl now properly recognizes that the file in
include/hw/unicore32/ belongs to UniCore32.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Acked-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>

MAINTAINERS

@@ -202,6 +202,7 @@ M: Guan Xuetao <gxt@mprc.pku.edu.cn>
 S: Maintained
 F: target-unicore32/
 F: hw/unicore32/
+F: include/hw/unicore32/
 
 X86
 M: Paolo Bonzini <pbonzini@redhat.com>