Kconfig: Use a short, consistent style for prompts

Consistently use

    config FOO
            bool/int/hex/string "Prompt text"

instead of

    config FOO
            bool/int/hex/string
            prompt "Prompt text"

(...and a bunch of other variations that e.g. swapped the order of the
type and the 'prompt', or put other properties between them).

The shorthand is fully equivalent to using 'prompt'. It saves lines and
avoids tricking people into thinking there is some semantic difference.

Most of the grunt work was done by a modified version of
https://unix.stackexchange.com/questions/26284/
how-can-i-use-sed-to-replace-a-multi-line-string/26290#26290, but some
of the rarer variations had to be converted manually.

Signed-off-by: Ulf Magnusson <Ulf.Magnusson@nordicsemi.no>

drivers/sensor/adt7420/Kconfig

@@ -6,8 +6,7 @@
 #
 
 menuconfig ADT7420
-	bool
-	prompt "ADT7420 Temperature Sensor"
+	bool "ADT7420 Temperature Sensor"
 	depends on I2C
 	help
 	  Enable the driver for Analog Devices ADT7420 High-Accuracy
@@ -18,8 +17,7 @@ if ADT7420
 if !HAS_DTS_I2C_DEVICE
 
 config ADT7420_NAME
-	string
-	prompt "Driver name"
+	string "Driver name"
 	default "ADT7420"
 	help
 	  Device name with which the ADT7420 sensor is identified.
@@ -36,8 +34,7 @@ config ADT7420_I2C_ADDR
 	  0x4B: A0 connected VDD and A1 connected to VDD.
 
 config ADT7420_I2C_MASTER_DEV_NAME
-	string
-	prompt "I2C master where ADT7420 is connected"
+	string "I2C master where ADT7420 is connected"
 	default "I2C_0"
 	help
 	  Specify the device name of the I2C master device to which the