zephyr: radio: sx127x: override buffer read/write functions

Override SX127xWriteBuffer and SX127xReadBuffer functions
in the Zephyr glue driver.

Co-authored-by: Alexander Wachter <alexander@wachter.cloud>
Co-authored-by: Ilya Tagunov <tagunil@gmail.com>
Signed-off-by: Ilya Tagunov <tagunil@gmail.com>

src/radio/sx1272/sx1272.c

@@ -1148,6 +1148,7 @@ uint8_t SX1272Read( uint32_t addr )
     return data;
 }
 
+#ifndef __ZEPHYR__
 void SX1272WriteBuffer( uint32_t addr, uint8_t *buffer, uint8_t size )
 {
     uint8_t i;
@@ -1182,6 +1183,7 @@ void SX1272ReadBuffer( uint32_t addr, uint8_t *buffer, uint8_t size )
     //NSS = 1;
     GpioWrite( &SX1272.Spi.Nss, 1 );
 }
+#endif
 
 static void SX1272WriteFifo( uint8_t *buffer, uint8_t size )
 {

src/radio/sx1276/sx1276.c

@@ -1288,6 +1288,7 @@ uint8_t SX1276Read( uint32_t addr )
     return data;
 }
 
+#ifndef __ZEPHYR__
 void SX1276WriteBuffer( uint32_t addr, uint8_t *buffer, uint8_t size )
 {
     uint8_t i;
@@ -1322,6 +1323,7 @@ void SX1276ReadBuffer( uint32_t addr, uint8_t *buffer, uint8_t size )
     //NSS = 1;
     GpioWrite( &SX1276.Spi.Nss, 1 );
 }
+#endif
 
 static void SX1276WriteFifo( uint8_t *buffer, uint8_t size )
 {