mmc: sdhci-esdhc-imx: Remove unused variables

3f175a6e5 (mmc: sdhci-esdhc-imx: remove ESDHC_CD_GPIO handling from IO
accessory) introduced the following build warnings:

drivers/mmc/host/sdhci-esdhc-imx.c:149:30: warning: unused variable 'boarddata' [-Wunused-variable]
drivers/mmc/host/sdhci-esdhc-imx.c:181:30: warning: unused variable 'boarddata' [-Wunused-variable]

Remove the unused variables.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>

drivers/mmc/host/sdhci-esdhc-imx.c

@@ -144,10 +144,6 @@ static inline void esdhc_clrset_le(struct sdhci_host *host, u32 mask, u32 val, i
 
 static u32 esdhc_readl_le(struct sdhci_host *host, int reg)
 {
-	struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
-	struct pltfm_imx_data *imx_data = pltfm_host->priv;
-	struct esdhc_platform_data *boarddata = &imx_data->boarddata;
-
 	u32 val = readl(host->ioaddr + reg);
 
 	if (unlikely(reg == SDHCI_CAPABILITIES)) {
@@ -178,7 +174,6 @@ static void esdhc_writel_le(struct sdhci_host *host, u32 val, int reg)
 {
 	struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
 	struct pltfm_imx_data *imx_data = pltfm_host->priv;
-	struct esdhc_platform_data *boarddata = &imx_data->boarddata;
 	u32 data;
 
 	if (unlikely(reg == SDHCI_INT_ENABLE || reg == SDHCI_SIGNAL_ENABLE)) {