wilc1000: use min_t() to make code cleaner

Use min_t() in order to make code cleaner.
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Changcheng Deng <deng.changcheng@zte.com.cn>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20211222070815.483009-1-deng.changcheng@zte.com.cn

drivers/net/wireless/microchip/wilc1000/spi.c

@@ -727,10 +727,7 @@ static int wilc_spi_dma_rw(struct wilc *wilc, u8 cmd, u32 adr, u8 *b, u32 sz)
 		int nbytes;
 		u8 rsp;
 
-		if (sz <= DATA_PKT_SZ)
-			nbytes = sz;
-		else
-			nbytes = DATA_PKT_SZ;
+		nbytes = min_t(u32, sz, DATA_PKT_SZ);
 
 		/*
 		 * Data Response header