soc: fsl: qe: remove unused qe_ic_from_irq function

clang with W=1 reports
drivers/soc/fsl/qe/qe_ic.c:235:29: error: unused function  'qe_ic_from_irq' [-Werror,-Wunused-function]

The use of this function was removed with
commit d7c2878 ("soc: fsl: qe: remove unused qe_ic_set_* functions")

Signed-off-by: Tom Rix <[email protected]>
Reviewed-by: Christophe Leroy <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Link: https://lore.kernel.org/all/1619002613-18216-1-git-send-email-jiapeng.chong@linux.alibaba.com/
[krzk: Adjust commit msg]
Signed-off-by: Krzysztof Kozlowski <[email protected]>

Author: Tom Rix

drivers/soc/fsl/qe/qe_ic.c

@@ -232,11 +232,6 @@ static inline void qe_ic_write(__be32  __iomem *base, unsigned int reg,
 	iowrite32be(value, base + (reg >> 2));
 }
 
-static inline struct qe_ic *qe_ic_from_irq(unsigned int virq)
-{
-	return irq_get_chip_data(virq);
-}
-
 static inline struct qe_ic *qe_ic_from_irq_data(struct irq_data *d)
 {
 	return irq_data_get_irq_chip_data(d);