qcacmn: Use IS_ENABLED for the definition of kernel module

Add support in code to use IS_ENABLED, if CONFIG_ARM_SMMU
config as kernel module.

Change-Id: I64c1e0c7918d520ed36a7a9e22fdf39f66e1c150
CRs-Fixed: 2701645

qdf/linux/src/i_qdf_mem.h

@@ -58,7 +58,7 @@
 #endif /* __KERNEL__ */
 #include <qdf_status.h>
 
-#ifdef CONFIG_ARM_SMMU
+#if IS_ENABLED(CONFIG_ARM_SMMU)
 #include <pld_common.h>
 #ifdef ENABLE_SMMU_S1_TRANSLATION
 #if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 4, 0))
@@ -222,7 +222,7 @@ static inline bool __qdf_mem_smmu_s1_enabled(qdf_device_t osdev)
 	return osdev->smmu_s1_enabled;
 }
 
-#if defined(CONFIG_ARM_SMMU) && defined(ENABLE_SMMU_S1_TRANSLATION)
+#if IS_ENABLED(CONFIG_ARM_SMMU) && defined(ENABLE_SMMU_S1_TRANSLATION)
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 19, 0))
 /**
  * __qdf_dev_get_domain() - get iommu domain from osdev