Revert "staging: greybus: remove extra space before tab"

This reverts commit 57d05368.

Johan writes:
	This commit doesn't even do what it claims. It leaves the two
	spaces before tabs in place and instead removes a tab that was
	used to indent a continuation line, and therefore also hurts
	readability while introducing an inconsistency.
Reported-by: Johan Hovold <johan@kernel.org>
Cc: Ioannis Valasakis <code@wizofe.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/greybus/greybus_protocols.h

@@ -926,8 +926,8 @@ struct gb_spi_device_config_response {
 
 /**
  * struct gb_spi_transfer - a read/write buffer pair
- * @speed_hz: Select a speed other than the device default for this transfer.
- * If 0 the default (from @spi_device) is used.
+ * @speed_hz: Select a speed other than the device default for this transfer. If
+ *	0 the default (from @spi_device) is used.
  * @len: size of rx and tx buffers (in bytes)
  * @delay_usecs: microseconds to delay after this transfer before (optionally)
  * 	changing the chipselect status, then starting the next transfer or