mfd: sta2x11-mfd: Use defines for platform devices' names

Since there are now many sta2x11-mfd platform devices, using defines
for their names looks like a better solution.

Signed-off-by: Davide Ciminaghi <ciminaghi@gnudd.com>
Acked-by: Alessandro Rubini <rubini@gnudd.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/include/linux/mfd/sta2x11-mfd.h b/include/linux/mfd/sta2x11-mfd.h
index e813e5e..058de2b 100644
--- a/include/linux/mfd/sta2x11-mfd.h
+++ b/include/linux/mfd/sta2x11-mfd.h
@@ -37,6 +37,14 @@
 	sta2x11_n_mfd_plat_devs,
 };
 
+#define STA2X11_MFD_SCTL_NAME	       "sta2x11-sctl"
+#define STA2X11_MFD_GPIO_NAME	       "sta2x11-gpio"
+#define STA2X11_MFD_SCR_NAME	       "sta2x11-scr"
+#define STA2X11_MFD_TIME_NAME	       "sta2x11-time"
+#define STA2X11_MFD_APBREG_NAME	       "sta2x11-apbreg"
+#define STA2X11_MFD_APB_SOC_REGS_NAME  "sta2x11-apb-soc-regs"
+#define STA2X11_MFD_VIC_NAME	       "sta2x11-vic"
+
 extern u32
 __sta2x11_mfd_mask(struct pci_dev *, u32, u32, u32, enum sta2x11_mfd_plat_dev);