mmc: mvsdio: avoid compiler warning

gcc correctly points out that hw_state can be used uninitially
in the mvsd_setup_data() function. This rearranges the function
to ensure it always contains a proper value.

Signed-off-by: Arnd Bergmann <[e-mail]>
Cc: Nicolas Pitre <[e-mail]>
Cc: Chris Ball <[e-mail]>
Cc: Thomas Petazzoni <[e-mail]>
Cc: Jason Cooper <[e-mail]>
Cc: Andrew Lunn <[e-mail]>
Cc: [e-mail]
Acked-by: Nicolas Pitre <[e-mail]>
Signed-off-by: Ulf Hansson <[e-mail]>

drivers/mmc/host/mvsdio.c

···
 		unsigned long t = jiffies + HZ;
 		unsigned int hw_state,  count = 0;
 		do {
+			hw_state = mvsd_read(MVSD_HW_STATE);
 			if (time_after(jiffies, t)) {
 				dev_warn(host->dev, "FIFO_EMPTY bit missing\n");
 				break;
 			}
-			hw_state = mvsd_read(MVSD_HW_STATE);
 			count++;
 		} while (!(hw_state & (1 << 13)));
 		dev_dbg(host->dev, "*** wait for FIFO_EMPTY bit "