drm/amd/pm: Fix aldebaran pcie speed reporting

Fix the field definitions for LC_CURRENT_DATA_RATE.

Fixes: c05d1c40 ("drm/amd/swsmu: add aldebaran smu13 ip support (v3)")
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Asad Kamal <asad.kamal@amd.com>
Reviewed-by: Yang Wang <kevinyang.wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c

@@ -79,8 +79,8 @@ MODULE_FIRMWARE("amdgpu/smu_13_0_10.bin");
 #define PCIE_LC_LINK_WIDTH_CNTL__LC_LINK_WIDTH_RD_MASK 0x00000070L
 #define PCIE_LC_LINK_WIDTH_CNTL__LC_LINK_WIDTH_RD__SHIFT 0x4
 #define smnPCIE_LC_SPEED_CNTL			0x11140290
-#define PCIE_LC_SPEED_CNTL__LC_CURRENT_DATA_RATE_MASK 0xC000
-#define PCIE_LC_SPEED_CNTL__LC_CURRENT_DATA_RATE__SHIFT 0xE
+#define PCIE_LC_SPEED_CNTL__LC_CURRENT_DATA_RATE_MASK 0xE0
+#define PCIE_LC_SPEED_CNTL__LC_CURRENT_DATA_RATE__SHIFT 0x5
 
 #define ENABLE_IMU_ARG_GFXOFF_ENABLE		1