Prefix SD SPI pins (SCK, MISO, MOSI, SS) (#20606)

Co-authored-by: Scott Lahteine <thinkyhead@users.noreply.github.com>

Marlin/src/HAL/ESP32/HAL_SPI.cpp

@@ -53,11 +53,11 @@ static SPISettings spiConfig;
 // ------------------------
 
 void spiBegin() {
-  #if !PIN_EXISTS(SS)
-    #error "SS_PIN not defined!"
+  #if !PIN_EXISTS(SD_SS)
+    #error "SD_SS_PIN not defined!"
   #endif
 
-  OUT_WRITE(SS_PIN, HIGH);
+  OUT_WRITE(SD_SS_PIN, HIGH);
 }
 
 void spiInit(uint8_t spiRate) {

Marlin/src/HAL/ESP32/spi_pins.h

@@ -18,7 +18,7 @@
  */
 #pragma once
 
-#define SS_PIN   SDSS
-#define SCK_PIN  18
-#define MISO_PIN 19
-#define MOSI_PIN 23
+#define SD_SS_PIN   SDSS
+#define SD_SCK_PIN  18
+#define SD_MISO_PIN 19
+#define SD_MOSI_PIN 23