ARM: pxa/raumfeld: mark rotary encoder properties as __initconst

device_add_properties() performs deep copy of supplied array of properties,
which means that we can discard the original array.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

arch/arm/mach-pxa/raumfeld.c

@@ -377,7 +377,7 @@ static struct gpiod_lookup_table raumfeld_rotary_gpios_table = {
 	},
 };
 
-static struct property_entry raumfeld_rotary_properties[] = {
+static const struct property_entry raumfeld_rotary_properties[] __initconst = {
 	PROPERTY_ENTRY_INTEGER("rotary-encoder,steps-per-period", u32, 24),
 	PROPERTY_ENTRY_INTEGER("linux,axis",			  u32, REL_X),
 	PROPERTY_ENTRY_INTEGER("rotary-encoder,relative_axis",	  u32, 1),