Bug#797949: reformatted `dmesg | grep -i SDHCI` properly

[Geert Stappers]

$ dmesg | grep -i SDHCI
[    1.237764] sdhci: Secure Digital Host Controller Interface driver
[    1.237770] sdhci: Copyright(c) Pierre Ossman
[    1.263087] sdhci-pci 0000:00:12.0: SDHCI controller found [8086:2296] (rev 
21)
[    1.263442] sdhci-pci 0000:00:12.0: failed to setup card detect gpio
[    1.264537] sdhci-pci 0000:00:12.0: No vmmc regulator found
[    1.264543] sdhci-pci 0000:00:12.0: No vqmmc regulator found
[    1.268300] mmc0: SDHCI controller on PCI [0000:00:12.0] using ADMA