clk: gemini: Remove an unused field in struct clk_gemini_pci

In "struct clk_gemini_pci", the 'rate' field is unused.

Remove it.

Found with cppcheck, unusedStructMember.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/556770c7701868f9f1c0569674903bee3eff30cb.1713015940.git.christophe.jaillet@wanadoo.frSigned-off-by: Stephen Boyd <sboyd@kernel.org>

drivers/clk/clk-gemini.c

@@ -67,12 +67,10 @@ struct gemini_gate_data {
  * struct clk_gemini_pci - Gemini PCI clock
  * @hw: corresponding clock hardware entry
  * @map: regmap to access the registers
- * @rate: current rate
  */
 struct clk_gemini_pci {
 	struct clk_hw hw;
 	struct regmap *map;
-	unsigned long rate;
 };
 
 /**