8064: mmc: Disable CMD23 support for virtio

To enable CMD23, the controller must send AUTO_PROG_DONE status for
multi block write command CMD25.  The SDCC controller on Virtio doesn't
send this AUTO_PROG_DONE status. As a temporary workaround disable CMD23
only on virtio platforms.

Signed-off-by: Sahitya Tummala <stummala@codeaurora.org>
diff --git a/arch/arm/include/asm/mach/mmc.h b/arch/arm/include/asm/mach/mmc.h
index c150a63..f138df1 100644
--- a/arch/arm/include/asm/mach/mmc.h
+++ b/arch/arm/include/asm/mach/mmc.h
@@ -145,6 +145,7 @@
 	struct msm_mmc_pin_data *pin_data;
 	bool disable_bam;
 	bool disable_runtime_pm;
+	bool disable_cmd23;
 };
 
 #endif