Merged in rzr/nuttx/sandbox/rzr/review/master (pull request #903)

stm32: Fix config variable for romfs

I haven't tested this change,
but I suspect it does not build
if the romfs configuration is enabled.

But I have tested similar changes on nucleo-144:

Now aligned to:
https://bitbucket.org/nuttx/nuttx/commits/9e622bd9a4c9ac8886f4f5426d2d09d874e438d2

Change-Id: I4b89af66c5ef510fc00a64c212590116cd39d561
Forwarded: https://bitbucket.org/nuttx/nuttx/pull-requests/903/
Signed-off-by: Philippe Coval <p.coval@samsung.com>

Approved-by: Gregory Nutt <gnutt@nuttx.org>

configs/omnibusf4/src/stm32_bringup.c

@@ -302,7 +302,7 @@ int stm32_bringup(void)
   if (ret < 0)
     {
       serr("ERROR: Failed to mount romfs at %s: %d\n",
-           STM32_ROMFS_MOUNTPOINT, ret);
+           CONFIG_STM32_ROMFS_MOUNTPOINT, ret);
     }
 #endif
 

configs/stm32f4discovery/src/stm32_bringup.c

@@ -397,7 +397,7 @@ int stm32_bringup(void)
   if (ret < 0)
     {
       serr("ERROR: Failed to mount romfs at %s: %d\n",
-           STM32_ROMFS_MOUNTPOINT, ret);
+           CONFIG_STM32_ROMFS_MOUNTPOINT, ret);
     }
 #endif