i2c: stm32f7: remove warning when compiling with W=1

Remove the following warning:

drivers/i2c/busses/i2c-stm32f7.c:315:
warning: cannot understand function prototype:
'struct stm32f7_i2c_spec i2c_specs[] =

Replace a comment starting with /** by simply /* to avoid having
it interpreted as a kernel-doc comment.

Fixes: aeb068c ("i2c: i2c-stm32f7: add driver")
Signed-off-by: Alain Volmat <[email protected]>
Reviewed-by: Pierre-Yves MORDRET <[email protected]>
Signed-off-by: Wolfram Sang <[email protected]>

Author: avolmat-st

drivers/i2c/busses/i2c-stm32f7.c

@@ -305,7 +305,7 @@ struct stm32f7_i2c_dev {
 	struct regmap *regmap;
 };
 
-/**
+/*
  * All these values are coming from I2C Specification, Version 6.0, 4th of
  * April 2014.
  *