dt-bindings: iio: pressure: honeywell,mprls0025pa.yaml improvements

Define enum inside the honeywell,transfer-function property block.

Set the correct irq edge in the example block.
Based on the datasheet, in table 13 on page 11:
"End-of-conversion indicator: This pin is set high when a measurement
and calculation have been completed and the data is ready to be
clocked out"

Add description on End-of-conversion interrupt.
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Co-developed-by: Andreas Klinger <ak@it-klinger.de>
Signed-off-by: Andreas Klinger <ak@it-klinger.de>
Signed-off-by: Petre Rodan <petre.rodan@subdimension.ro>
Link: https://lore.kernel.org/r/20231229092445.30180-2-petre.rodan@subdimension.roSigned-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Documentation/devicetree/bindings/iio/pressure/honeywell,mprls0025pa.yaml

@@ -42,6 +42,10 @@ properties:
     maxItems: 1
 
   interrupts:
+    description:
+      Optional interrupt for indicating End-of-conversion.
+      If not present, the driver loops for a while until the received status
+      byte indicates correct measurement.
     maxItems: 1
 
   reset-gpios:
@@ -65,6 +69,7 @@ properties:
       1 - A, 10% to 90% of 2^24 (1677722 .. 15099494)
       2 - B, 2.5% to 22.5% of 2^24 (419430 .. 3774874)
       3 - C, 20% to 80% of 2^24 (3355443 .. 13421773)
+    enum: [1, 2, 3]
     $ref: /schemas/types.yaml#/definitions/uint32
 
   vdd-supply:
@@ -93,7 +98,7 @@ examples:
             reg = <0x18>;
             reset-gpios = <&gpio3 19 GPIO_ACTIVE_HIGH>;
             interrupt-parent = <&gpio3>;
-            interrupts = <21 IRQ_TYPE_EDGE_FALLING>;
+            interrupts = <21 IRQ_TYPE_EDGE_RISING>;
             honeywell,pmin-pascal = <0>;
             honeywell,pmax-pascal = <172369>;
             honeywell,transfer-function = <1>;