ARM: shmobile: defconfig: Refresh for v5.4-rc1

Update the defconfig for Renesas ARM boards:
  - Drop CONFIG_ARM_ERRATA_754322=y (auto-enabled since commit
    2eced460 ("soc: renesas: Enable ARM_ERRATA_754322 for
    affected Cortex-A9")),
  - Drop CONFIG_MTD_M25P80=y (removed in commit b35b9a10 ("mtd:
    spi-nor: Move m25p80 code in spi-nor.c")),
  - Drop CONFIG_LCD_CLASS_DEVICE=n (no longer auto-enabled since commit
    bcd69da9 ("video: backlight: Drop default m for
    {LCD,BACKLIGHT_CLASS_DEVICE}")).
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20191025135325.32242-1-geert+renesas@glider.be

arch/arm/configs/shmobile_defconfig

@@ -9,7 +9,6 @@ CONFIG_PERF_EVENTS=y
 CONFIG_SLAB=y
 CONFIG_ARCH_RENESAS=y
 CONFIG_PL310_ERRATA_588369=y
-CONFIG_ARM_ERRATA_754322=y
 CONFIG_SMP=y
 CONFIG_SCHED_MC=y
 CONFIG_NR_CPUS=8
@@ -50,7 +49,6 @@ CONFIG_MTD_CFI=y
 CONFIG_MTD_CFI_INTELEXT=y
 CONFIG_MTD_PHYSMAP=y
 CONFIG_MTD_PHYSMAP_OF=y
-CONFIG_MTD_M25P80=y
 CONFIG_MTD_SPI_NOR=y
 CONFIG_EEPROM_AT24=y
 CONFIG_BLK_DEV_SD=y
@@ -130,7 +128,6 @@ CONFIG_DRM_SII902X=y
 CONFIG_DRM_I2C_ADV7511=y
 CONFIG_DRM_I2C_ADV7511_AUDIO=y
 CONFIG_FB_SH_MOBILE_LCDC=y
-# CONFIG_LCD_CLASS_DEVICE is not set
 # CONFIG_BACKLIGHT_GENERIC is not set
 CONFIG_BACKLIGHT_PWM=y
 CONFIG_BACKLIGHT_AS3711=y