refactor(cpus): replace adr with adr_l

Replace "adr" with "adr_l" to handle symbols or labels that exceeds 1MB
access range. This modification resolves the link error.

Change-Id: I9eba2e34c0a303b40e4c7b3ea7c5b113f4c6d989
Signed-off-by: Hsin-Hsiung Wang <hsin-hsiung.wang@mediatek.com>
diff --git a/lib/cpus/aarch64/cpu_helpers.S b/lib/cpus/aarch64/cpu_helpers.S
index 1ae3180..3aa4f15 100644
--- a/lib/cpus/aarch64/cpu_helpers.S
+++ b/lib/cpus/aarch64/cpu_helpers.S
@@ -165,13 +165,13 @@
 	and	w2, w2, w3
 
 	/* Get the cpu_ops end location */
-	adr	x5, (__CPU_OPS_END__ + CPU_MIDR)
+	adr_l	x5, (__CPU_OPS_END__ + CPU_MIDR)
 
 	/* Initialize the return parameter */
 	mov	x0, #0
 1:
 	/* Get the cpu_ops start location */
-	adr	x4, (__CPU_OPS_START__ + CPU_MIDR)
+	adr_l	x4, (__CPU_OPS_START__ + CPU_MIDR)
 
 2:
 	/* Check if we have reached end of list */