bus: qcom-ebi2: Fix incorrect documentation for '{slow,fast}_cfg'

Fixes the following W=1 kernel build warning(s):

drivers/bus/qcom-ebi2.c:112: warning: Function parameter or member 'slow_cfg' not described in 'cs_data'
drivers/bus/qcom-ebi2.c:112: warning: Function parameter or member 'fast_cfg' not described in 'cs_data'

Reviewed-by: Linus Walleij <[e-mail]
Cc: Andy Gross <[e-mail]>
Cc: Bjorn Andersson <[e-mail]>
Cc: Linus Walleij <[e-mail]>
Cc: [e-mail]
Signed-off-by: Lee Jones <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Bjorn Andersson <[e-mail]>

drivers/bus/qcom-ebi2.c

···
 /**
  * struct cs_data - struct with info on a chipselect setting
  * @enable_mask: mask to enable the chipselect in the EBI2 config
- * @slow_cfg0: offset to XMEMC slow CS config
- * @fast_cfg1: offset to XMEMC fast CS config
+ * @slow_cfg: offset to XMEMC slow CS config
+ * @fast_cfg: offset to XMEMC fast CS config
  */
 struct cs_data {
 	u32 enable_mask;