docs/psoc6/quickref: Fix SPI master pins.

Signed-off-by: NikhitaR-IFX <nikhita.rajasekhar@infineon.com>

Author: NikhitaR-IFX

docs/psoc6/quickref.rst

@@ -456,7 +456,7 @@ SPI object is created with default settings or settings of previous initialisati
 ::
     
     from machine import SPI
-    spi = SPI(baudrate=1000000, polarity=0, phase=0, bits=8, firstbit=SPI.MSB, sck='P6_2', mosi='P6_0', miso='P6_1')
+    spi = SPI(baudrate=1000000, polarity=0, phase=0, bits=8, firstbit=SPI.MSB, sck='P9_2', mosi='P9_0', miso='P9_1')
 
 Methods
 ^^^^^^^