spi: Zap CONFIG_HARD_SPI

In legacy CONFIG_HARD_SPI initalizing spi_init code, which
was removed during dm conversion cleanup.

So remove the dead instances of CONFIG_HARD_SPI, and related
code.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
diff --git a/board/freescale/mpc8349emds/mpc8349emds.c b/board/freescale/mpc8349emds/mpc8349emds.c
index 4ec0af4..d40ed37 100644
--- a/board/freescale/mpc8349emds/mpc8349emds.c
+++ b/board/freescale/mpc8349emds/mpc8349emds.c
@@ -273,7 +273,7 @@
 
 	iopd->dat |=  SPI_CS_MASK;
 }
-#endif /* CONFIG_HARD_SPI */
+#endif
 
 #if defined(CONFIG_OF_BOARD_SETUP)
 int ft_board_setup(void *blob, bd_t *bd)