drm/komeda: komeda_dev/pipeline/component definition and initialzation

1. Added a brief definition of komeda_dev/pipeline/component, this change
   didn't add the detailed component features and capabilities, which will
   be added in the following changes.
2. Corresponding resources discovery and initialzation functions.

Changes in v4:
- Deleted unnecessary headers

Changes in v3:
- Fixed style problem found by checkpatch.pl --strict.

Changes in v2:
- Unified abbreviation of "pipeline" to "pipe".

Signed-off-by: James Qian Wang (Arm Technology China) <james.qian.wang@arm.com>
Reviewed-by: Liviu Dudau <liviu.dudau@arm.com>
Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>

drivers/gpu/drm/arm/display/include/malidp_utils.h

@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * (C) COPYRIGHT 2018 ARM Limited. All rights reserved.
+ * Author: James.Qian.Wang <james.qian.wang@arm.com>
+ *
+ */
+#ifndef _MALIDP_UTILS_
+#define _MALIDP_UTILS_
+
+#define has_bit(nr, mask)	(BIT(nr) & (mask))
+#define has_bits(bits, mask)	(((bits) & (mask)) == (bits))
+
+#define dp_for_each_set_bit(bit, mask) \
+	for_each_set_bit((bit), ((unsigned long *)&(mask)), sizeof(mask) * 8)
+
+#endif /* _MALIDP_UTILS_ */