mmc: cqhci: rename cqhci.c to cqhci-core.c

Rename cqhci.c to cqhci-core.c so that another source file can be added
to the cqhci module without having to rename the module.
Acked-by: NAdrian Hunter <adrian.hunter@intel.com>
Reviewed-and-tested-by: NPeng Zhou <peng.zhou@mediatek.com>
Signed-off-by: NEric Biggers <ebiggers@google.com>
Link: https://lore.kernel.org/r/20210126001456.382989-3-ebiggers@kernel.orgSigned-off-by: NUlf Hansson <ulf.hansson@linaro.org>

drivers/mmc/host/Makefile

@@ -102,6 +102,7 @@ obj-$(CONFIG_MMC_SDHCI_BRCMSTB)		+= sdhci-brcmstb.o
 obj-$(CONFIG_MMC_SDHCI_OMAP)		+= sdhci-omap.o
 obj-$(CONFIG_MMC_SDHCI_SPRD)		+= sdhci-sprd.o
 obj-$(CONFIG_MMC_CQHCI)			+= cqhci.o
+cqhci-y					+= cqhci-core.o
 obj-$(CONFIG_MMC_HSQ)			+= mmc_hsq.o
 
 ifeq ($(CONFIG_CB710_DEBUG),y)