mmc: sdhci: mmc_rescan: reduce verbosity
mmc: sdhci: mmc_rescan: reduce verbosity

mmc_rescan() includes a pr_info which prints 4 lines each second for
hosts configured with MMC_CAP_NEEDS_POLL. This patch enables the message
only if CONFIG_MMC_DEBUG is selected. Tested on i.MX51's sdhci-esdhc.

Signed-off-by: Eric Bénard <96f164ad4d9b2b0dacf8ebee2bb1eeb3aa69adf1@eukrea.com>
Acked-by: Wolfram Sang <3883f8aab0424a154a3bcb43ff874b819786efbe@pengutronix.de>
Acked-by: Hein Tibosch <5bf2c31a802732976706723e592169e08aa33ffd@yahoo.es>
Signed-off-by: Chris Ball <6ca7faee6ca9a094b1ee341f11b840a5608a8746@laptop.org>

KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs