mmc: Add new VUB300 USB-to-SD/SDIO/MMC driver
Add a driver for Elan Digital System's VUB300 chip which is a USB connected SDIO/SDmem/MMC host controller. A VUB300 chip enables a USB 2.0 or USB 1.1 connected host computer to use SDIO/SD/MMC cards without the need for a directly connected, for example via PCI, SDIO host controller. Signed-off-by: Anthony F Olech <tony.olech@elandigitalsystems.com> [cjb: various punctuation and style fixes] Tested-by: Chris Ball <cjb@laptop.org> Signed-off-by: Chris Ball <cjb@laptop.org>
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Tony Olech