nvmem: rave-sp-eeprm: fix kernel-doc bad line warning

Convert an empty line to " *" to avoid a kernel-doc warning:

drivers/nvmem/rave-sp-eeprom.c:48: warning: bad line:
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Cc: Andrey Vostrikov <andrey.vostrikov@cogentembedded.com>
Cc: Nikita Yushchenko <nikita.yoush@cogentembedded.com>
Cc: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20230206134356.839737-20-srinivas.kandagatla@linaro.orgSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/nvmem/rave-sp-eeprom.c

@@ -45,7 +45,7 @@ enum rave_sp_eeprom_header_size {
  * @type:	Access type (see enum rave_sp_eeprom_access_type)
  * @success:	Success flag (Success = 1, Failure = 0)
  * @data:	Read data
-
+ *
  * Note this structure corresponds to RSP_*_EEPROM payload from RAVE
  * SP ICD
  */