Random minor flashrom fixes

 - Properly escape '-' chars in manpage.
 
 - Fix typo in chipset_enable.c.

 - Drop useless 'return' in chip_readn().

 - Random other whitespace or cosmetic fixes.

Corresponding to flashrom svn r636.

Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>
diff --git a/flashrom.8 b/flashrom.8
index 3dd76f7..446315e 100644
--- a/flashrom.8
+++ b/flashrom.8
@@ -24,7 +24,7 @@
 flashrom 1.0. Do not use flashrom in scripts or other automated tools without
 checking that your flashrom version won't interpret options in a different way.
 .PP
-You can specify one of -E, -r, -w, -v or no operation.
+You can specify one of \-E, \-r, \-w, \-v or no operation.
 If no operation is specified, then all that happens
 is that flash info is dumped and the flash chip is set to writable.
 .TP