doc: update MIPI DBI API compatibility

The MIPI DBI API supports MIPI DBI controllers type A, B, and C
(except with 16 write clocks). Update the documentation accordingly.

Signed-off-by: Stefan Gloor <[email protected]>

Author: stgloorious

doc/hardware/peripherals/mipi_dbi.rst

@@ -20,7 +20,8 @@ MIPI DBI defines 3 interface types:
 
   #. 8 write clocks per byte. Command/data selected via GPIO pin
 
-Currently, the API only supports Type C controllers, options 1 and 3.
+Currently, the API does not support Type C controllers with 16 write clocks
+(option 2).
 
 API Reference
 *************

include/zephyr/drivers/mipi_dbi.h

@@ -15,7 +15,7 @@
  *     1. 9 write clocks per byte, final bit is command/data selection bit
  *     2. Same as above, but 16 write clocks per byte
  *     3. 8 write clocks per byte. Command/data selected via GPIO pin
- * The current driver interface only supports type C modes 1 and 3
+ * The current driver interface does not support type C with 16 write clocks (option 2).
  */
 
 #ifndef ZEPHYR_INCLUDE_DRIVERS_MIPI_DBI_H_