net: stmmac: avoid Camelcase naming

This patch simply rename regValue to value, like it was named in other
mdio functions.

Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Acked-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c

@@ -83,14 +83,14 @@ static int stmmac_mdio_read(struct mii_bus *bus, int phyaddr, int phyreg)
 	unsigned int mii_data = priv->hw->mii.data;
 
 	int data;
-	u16 regValue = (((phyaddr << 11) & (0x0000F800)) |
+	u16 value = (((phyaddr << 11) & (0x0000F800)) |
 			((phyreg << 6) & (0x000007C0)));
-	regValue |= MII_BUSY | ((priv->clk_csr & 0xF) << 2);
+	value |= MII_BUSY | ((priv->clk_csr & 0xF) << 2);
 
 	if (stmmac_mdio_busy_wait(priv->ioaddr, mii_address))
 		return -EBUSY;
 
-	writel(regValue, priv->ioaddr + mii_address);
+	writel(value, priv->ioaddr + mii_address);
 
 	if (stmmac_mdio_busy_wait(priv->ioaddr, mii_address))
 		return -EBUSY;