FMC: add a char-device mezzanine driver

This driver exports the memory area associated with the mezzanine card
as a misc device, so users can access registers.

Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
Acked-by: Juan David Gonzalez Cobas <dcobas@cern.ch>
Acked-by: Emilio G. Cota <cota@braap.org>
Acked-by: Samuel Iglesias Gonsalvez <siglesias@igalia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/Documentation/fmc/00-INDEX b/Documentation/fmc/00-INDEX
index 177c3e4..431c695 100644
--- a/Documentation/fmc/00-INDEX
+++ b/Documentation/fmc/00-INDEX
@@ -32,4 +32,7 @@
 	- about drivers/fmc/fmc-trivial.ko
 
 fmc-write-eeprom.txt
-        - about drivers/fmc/fmc-write-eeprom.ko
+	- about drivers/fmc/fmc-write-eeprom.ko
+
+fmc-chardev.txt
+	- about drivers/fmc/fmc-chardev.ko