Pimp the manpage to create nicer hyperlinks and HTML output

Also, add a target to the makefile to build a flashrom.8.html with groff.
To fix some formatting issues this adds some indention commands as well.

Corresponding to flashrom svn r1913.

Signed-off-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
diff --git a/ichspi.c b/ichspi.c
index 1e3f62a..e1395ee 100644
--- a/ichspi.c
+++ b/ichspi.c
@@ -1692,8 +1692,8 @@
 				ich_spi_rw_restricted |= ich9_handle_frap(tmp, i);
 			if (ich_spi_rw_restricted)
 				msg_pwarn("Not all flash regions are freely accessible by flashrom. This is "
-					  "most likely\ndue to an active ME. Please see http://flashrom.org/ME "
-					  "for details.\n");
+					  "most likely\ndue to an active ME. Please see "
+					  "https://flashrom.org/ME for details.\n");
 		}
 
 		/* Handle PR registers */