gpio: f7188x: correct spelling of "Fintek"

The company is called "Fintek", not "Fintech". Fix it.

Signed-off-by: Andreas Bofjall <andreas@gazonk.org>
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/gpio/gpio-f7188x.c b/drivers/gpio/gpio-f7188x.c
index 1be291a..fbd954e 100644
--- a/drivers/gpio/gpio-f7188x.c
+++ b/drivers/gpio/gpio-f7188x.c
@@ -410,7 +410,7 @@
 }
 
 /*
- * Try to match a supported Fintech device by reading the (hard-wired)
+ * Try to match a supported Fintek device by reading the (hard-wired)
  * configuration I/O ports. If available, then register both the platform
  * device and driver to support the GPIOs.
  */