MAINTAINERS: Replace ASpeed with N:

Use N: to match on all aspeed/ast2500 files, drop the large list of
entries which represent the same set of relevant files and miss a
few in the process.

Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Reviewed-by: Quentin Schulz <quentin.schulz@cherry.de>

MAINTAINERS

@@ -208,22 +208,11 @@ M:	Chia-Wei Wang <chiawei_wang@aspeedtech.com>
 R:	Aspeed BMC SW team <BMC-SW@aspeedtech.com>
 R:	Joel Stanley <joel@jms.id.au>
 S:	Maintained
-F:	arch/arm/mach-aspeed/
-F:	arch/arm/include/asm/arch-aspeed/
-F:	board/aspeed/
-F:	drivers/clk/aspeed/
-F:	drivers/crypto/aspeed/
-F:	drivers/gpio/gpio-aspeed.c
 F:	drivers/i2c/ast_i2c.[ch]
-F:	drivers/mmc/aspeed_sdhci.c
-F:	drivers/net/aspeed_mdio.c
 F:	drivers/net/ftgmac100.[ch]
-F:	drivers/pinctrl/aspeed/
-F:	drivers/pwm/pwm-aspeed.c
-F:	drivers/ram/aspeed/
-F:	drivers/reset/reset-ast2500.c
 F:	drivers/watchdog/ast_wdt.c
 N:	aspeed
+N:	ast2500
 
 ARM BROADCOM BCM283X / BCM27XX
 M:	Matthias Brugger <mbrugger@suse.com>