mmc: mvsdio: avoid compiler warning

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 <[email protected]>
Cc: Nicolas Pitre <[email protected]>
Cc: Chris Ball <[email protected]>
Cc: Thomas Petazzoni <[email protected]>
Cc: Jason Cooper <[email protected]>
Cc: Andrew Lunn <[email protected]>
Cc: [email protected]
Acked-by: Nicolas Pitre <[email protected]>
Signed-off-by: Ulf Hansson <[email protected]>