mb/lenovo/m920q: Rename to reflect use for m720q variant as well

The m920q and m720q are the same board, so rename the m920q to reflect
that

Change-Id: Ieef22530207ad4c35ac3cb4255d2ad65e62b65bf
Signed-off-by: Tom Hiller <thrilleratplay@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/90374
Reviewed-by: Evie (Ivi) Ballou <iviballou@gmail.com>
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/mainboard/lenovo/m720q_m920q/Kconfig

@@ -1,11 +1,12 @@
 # SPDX-License-Identifier: GPL-2.0-only
 
-if BOARD_LENOVO_M920Q
+if BOARD_LENOVO_M920Q || BOARD_LENOVO_M720Q
 
 config BOARD_SPECIFIC_OPTIONS
 	def_bool y
 	select AZALIA_USE_LEGACY_VERB_TABLE
-	select BOARD_ROMSIZE_KB_24576
+	select BOARD_ROMSIZE_KB_16384 if BOARD_LENOVO_M720Q
+	select BOARD_ROMSIZE_KB_24576 if BOARD_LENOVO_M920Q
 	select DRIVERS_UART_8250IO
 	select HAVE_ACPI_RESUME
 	select HAVE_ACPI_TABLES
@@ -22,10 +23,11 @@ config BOARD_SPECIFIC_OPTIONS
 	select SUPERIO_NUVOTON_NCT6687D
 
 config MAINBOARD_DIR
-	default "lenovo/m920q"
+	default "lenovo/m720q_m920q"
 
 config MAINBOARD_PART_NUMBER
-	default "ThinkCentre M920 Tiny"
+	default "ThinkCentre M720 Tiny" if BOARD_LENOVO_M720Q
+	default "ThinkCentre M920 Tiny" if BOARD_LENOVO_M920Q
 
 config CBFS_SIZE
 	default 0x900000

src/mainboard/lenovo/m720q_m920q/Kconfig.name

@@ -1,4 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0-only
 
+config BOARD_LENOVO_M720Q
+	bool "ThinkCentre M720 Tiny"
+
 config BOARD_LENOVO_M920Q
 	bool "ThinkCentre M920 Tiny"

src/mainboard/lenovo/m720q_m920q/board_info.txt

@@ -1,7 +1,7 @@
 Category: desktop
-Board URL: https://psref.lenovo.com/Product/ThinkCentre_M920_Tiny
+Board URL: ThinkCentre M720q/M920q
 ROM package: SOIC-8
 ROM protocol: SPI
 ROM socketed: n
 Flashrom support: y
-Release year: 2021
+Release year: 2018