drm/amd/powerplay: Add ixSWRST_COMMAND_1 in bif_5_0_d.h

BugLink: http://bugs.launchpad.net/bugs/1546572

Add ixSWRST_COMMAND_1 in bif_5_0_d.h.  Required by
new powerplay code for tonga and fiji.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: yanyang1 <young.yang@amd.com>
(cherry picked from commit 3a287055)
Signed-off-by: Alberto Milone <alberto.milone@canonical.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

drivers/gpu/drm/amd/include/asic_reg/bif/bif_5_0_d.h

@@ -596,6 +596,7 @@
 #define mmSWRST_EP_CONTROL_0                                                    0x14ac
 #define mmCPM_CONTROL                                                           0x14b8
 #define mmGSKT_CONTROL                                                          0x14bf
+#define ixSWRST_COMMAND_1                                                       0x1400103
 #define ixLM_CONTROL                                                            0x1400120
 #define ixLM_PCIETXMUX0                                                         0x1400121
 #define ixLM_PCIETXMUX1                                                         0x1400122