platform/mellanox: mlxbf-pmc: Replace uintN_t with kernel-style types

Use u8, u32 and u64 instead of respective uintN_t types.
Remove unnecessary newlines for function argument lists.
Signed-off-by: Shravan Kumar Ramani <shravankr@nvidia.com>
Link: https://lore.kernel.org/r/39be055af3506ce6f843d11e45d71620f2a96e26.1707808180.git.shravankr@nvidia.comReviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>