kernel: Kconfig.device: fix CONFIG_DEVICE_DEINIT_SUPPORT help text

Drivers supporting device deinitialization should not select
CONFIG_DEVICE_DEINIT_SUPPORT. Enabling deinit should be left up to the
application configuration.

Signed-off-by: Henrik Brix Andersen <henrik@brixandersen.dk>

kernel/Kconfig.device

diff --git a/kernel/Kconfig.device b/kernel/Kconfig.device
index bd9c898..c0ccbb9 100644
--- a/kernel/Kconfig.device
+++ b/kernel/Kconfig.device
@@ -39,8 +39,7 @@
 	  In very specific case, it might be necessary to de-initialize
 	  a device at runtime. This is possible by providing a function
 	  to do so. Note, that this will grow every struct device by a
-	  function pointer. All device drivers that use the relevant
-	  macros and provide such function should select this option.
+	  function pointer.
 
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