clk: tegra: cvb: Provide missing description for 'tegra_cvb_add_opp_table()'s align param

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

drivers/clk/tegra/cvb.c:106: warning: Function parameter or member 'align' not described in 'tegra_cvb_add_opp_table'

Cc: Peter De Schrijver <[e-mail]>
Cc: Prashant Gaikwad <[e-mail]>
Cc: Michael Turquette <[e-mail]>
Cc: Stephen Boyd <[e-mail]>
Cc: Thierry Reding <[e-mail]>
Cc: Jonathan Hunter <[e-mail]>
Cc: [e-mail]
Cc: [e-mail]
Signed-off-by: Lee Jones <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Stephen Boyd <[e-mail]>

drivers/clk/tegra/cvb.c

···
  * @dev: the struct device * for which the OPP table is built
  * @tables: array of CVB tables
  * @count: size of the previously mentioned array
+ * @align: parameters of the regulator step and offset
  * @process_id: process id of the HW module
  * @speedo_id: speedo id of the HW module
  * @speedo_value: speedo value of the HW module