crypto: qat - use u32 variables in all GEN4 pfvf_ops

Change adf_gen4_enable_vf2pf_interrupts() to use a u32 variable,
consistently with both other GEN4 pfvf_ops and pfvf_ops of other
generations.
Signed-off-by: Marco Chiappero <marco.chiappero@intel.com>
Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/qat/qat_common/adf_gen4_pfvf.c

@@ -40,7 +40,7 @@ static u32 adf_gen4_pf_get_vf2pf_offset(u32 i)
 static void adf_gen4_enable_vf2pf_interrupts(void __iomem *pmisc_addr,
 					     u32 vf_mask)
 {
-	unsigned int val;
+	u32 val;
 
 	val = ADF_CSR_RD(pmisc_addr, ADF_4XXX_VM2PF_MSK) & ~vf_mask;
 	ADF_CSR_WR(pmisc_addr, ADF_4XXX_VM2PF_MSK, val);