drm/i915/wm: Club initialized variables of same type together

Refactor program_dpkgc function so that all initialized variables
of same type are clubbed together.

--v2
-Modify commit message to reflect what is being done in patch [Mitul]

Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com>
Reviewed-by: Mitul Golani <mitulkumar.ajitkumar.golani@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241203084706.2126189-6-suraj.kandpal@intel.com

Author: surajk8

drivers/gpu/drm/i915/display/skl_watermark.c

@@ -2862,9 +2862,9 @@ intel_program_dpkgc_latency(struct intel_atomic_state *state)
 	struct intel_crtc *crtc;
 	struct intel_crtc_state *new_crtc_state;
 	u32 latency = LNL_PKG_C_LATENCY_MASK;
+	u32 added_wake_time = 0;
 	u32 max_linetime = 0;
 	u32 clear, val;
-	u32 added_wake_time = 0;
 	bool fixed_refresh_rate = false;
 	int i;