Merge pull request #765 from Xilinx/rk3399-cfi

rk3399: Add CFI debug information to SRAM functions
diff --git a/plat/rockchip/rk3399/drivers/pmu/plat_pmu_macros.S b/plat/rockchip/rk3399/drivers/pmu/plat_pmu_macros.S
index 405e1d5..e0f9bfc 100644
--- a/plat/rockchip/rk3399/drivers/pmu/plat_pmu_macros.S
+++ b/plat/rockchip/rk3399/drivers/pmu/plat_pmu_macros.S
@@ -32,9 +32,11 @@
 	.globl	clst_warmboot_data
 
 	.macro sram_func _name
+	.cfi_sections .debug_frame
 	.section .sram.text, "ax"
 	.type \_name, %function
 	.func \_name
+	.cfi_startproc
 	\_name:
 	.endm