mfd: da9055: Do not cite as modular

This driver cannot be built as a module, so don't suggest otherwise
in Kconfig help.
Suggested-by: Lee Jones <lee@kernel.org>
Signed-off-by: Nick Alcock <nick.alcock@oracle.com>
Reviewed-by: Vincenzo Palazzo <vincenzopalazzodev@gmail.com>
Signed-off-by: Lee Jones <lee@kernel.org>

drivers/mfd/Kconfig

@@ -363,9 +363,6 @@ config MFD_DA9055
 	  Additional drivers must be enabled in order to use the functionality
 	  of the device.
 
-	  This driver can be built as a module. If built as a module it will be
-	  called "da9055"
-
 config MFD_DA9062
 	tristate "Dialog Semiconductor DA9062/61 PMIC Support"
 	select MFD_CORE