doxygen fixes: fix parameter names to match the functions

The doxygen parameter names in the comments no longer matched the
functions they were attached to.  Doxygen complains about extra
parameter comments and uncommented parameters in the functions.

Change-Id: I21b8a951f8d8d04b07c3779000eeaf1e69fed463
Signed-off-by: Martin Roth <martin.roth@se-eng.com>
Reviewed-on: http://review.coreboot.org/8101
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Tested-by: build bot (Jenkins)
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>

src/soc/samsung/exynos5250/clock.c

@@ -475,8 +475,8 @@ void clock_ll_set_ratio(enum periph_id periph_id, unsigned divisor)
  *
  * @param main_scalar_bits	Number of main scalar bits, must be > 0 and < 32
  * @param fine_scalar_bits	Number of fine scalar bits, must be > 0 and < 32
- * @param input_freq		Clock frequency to be scaled in Hz
- * @param target_freq		Desired clock frequency in Hz
+ * @param input_rate		Clock frequency to be scaled in Hz
+ * @param target_rate		Desired clock frequency in Hz
  * @param best_fine_scalar	Pointer to store the fine stage divisor
  *
  * @return best_main_scalar	Main scalar for desired frequency or -1 if none

src/soc/samsung/exynos5420/clock.c

@@ -439,8 +439,8 @@ void clock_ll_set_ratio(enum periph_id periph_id, unsigned divisor)
  *
  * @param main_scalar_bits	Number of main scalar bits, must be > 0 and < 32
  * @param fine_scalar_bits	Number of fine scalar bits, must be > 0 and < 32
- * @param input_freq		Clock frequency to be scaled in Hz
- * @param target_freq		Desired clock frequency in Hz
+ * @param input_rate		Clock frequency to be scaled in Hz
+ * @param target_rate		Desired clock frequency in Hz
  * @param best_fine_scalar	Pointer to store the fine stage divisor
  *
  * @return best_main_scalar	Main scalar for desired frequency or -1 if none