feat: Add support for custom IAM role policy (#3087)

modules/karpenter/variables.tf

@@ -92,6 +92,12 @@ variable "iam_policy_description" {
   default     = "Karpenter controller IAM policy"
 }
 
+variable "iam_policy_statements" {
+  description = "A list of IAM policy [statements](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/iam_policy_document#statement) - used for adding specific IAM permissions as needed"
+  type        = any
+  default     = []
+}
+
 variable "iam_role_policies" {
   description = "Policies to attach to the IAM role in `{'static_name' = 'policy_arn'}` format"
   type        = map(string)