slimbus: fix a kernel-doc markup

Fix the name of the enum on its kernel-doc markup:
	enum slim_ch_aux_fmt -> enum slim_ch_aux_bit_fmt
Signed-off-by: NMauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: NSrinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20201127102451.17114-2-srinivas.kandagatla@linaro.orgSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/slimbus/slimbus.h

@@ -244,7 +244,7 @@ enum slim_ch_data_fmt {
 };
 
 /**
- * enum slim_ch_aux_fmt: SLIMbus channel Aux Field format IDs according to
+ * enum slim_ch_aux_bit_fmt: SLIMbus channel Aux Field format IDs according to
  *	Table 63 of SLIMbus Spec 2.0
  * @SLIM_CH_AUX_FMT_NOT_APPLICABLE: Undefined
  * @SLIM_CH_AUX_FMT_ZCUV_TUNNEL_IEC60958: ZCUV for tunneling IEC60958