mmc: sdhci-esdhc-imx: fix few build warnings

drivers/mmc/host/sdhci-esdhc-imx.c:1566 sdhci_esdhc_imx_hwinit() warn: inconsistent indenting
drivers/mmc/host/sdhci-esdhc-imx.c:1251 esdhc_executing_tuning() error: uninitialized symbol 'target_min'.
drivers/mmc/host/sdhci-esdhc-imx.c:1251 esdhc_executing_tuning() error: uninitialized symbol 'target_max'.

Fixes: be953af7 ("mmc: sdhci-esdhc-imx: widen auto-tuning window for standard tuning")
Fixes: 541a95e6 ("mmc: sdhci-esdhc-imx: optimize the manual tuing logic to get the best timing")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/all/202505160225.Csr5USfq-lkp@intel.com/


Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Link: https://lore.kernel.org/r/20250516-b4-usdhc-v2-1-3fccd02f5602@nxp.com


Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>