mb/asus: Rename p8z77-series to p8x7x-series

Many more asus boards using Panther Point PCH other than Z77 can be
added as variants of this series.

Signed-off-by: Bill XIE <persmule@hardenedlinux.org>
Change-Id: I3e0b5734658912a69ccde94d530399059502c4c4
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55110
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>

src/mainboard/asus/p8x7x-series/Kconfig

@@ -1,6 +1,6 @@
 ## SPDX-License-Identifier: GPL-2.0-only
 
-config BOARD_ASUS_P8Z77_SERIES
+config BOARD_ASUS_P8X7X_SERIES
 	bool
 	select HAVE_ACPI_RESUME
 	select HAVE_ACPI_TABLES
@@ -13,11 +13,11 @@ config BOARD_ASUS_P8Z77_SERIES
 	select SERIRQ_CONTINUOUS_MODE
 	select SOUTHBRIDGE_INTEL_C216
 
-if BOARD_ASUS_P8Z77_SERIES
+if BOARD_ASUS_P8X7X_SERIES
 
 config MAINBOARD_DIR
 	string
-	default "asus/p8z77-series"
+	default "asus/p8x7x-series"
 
 config VARIANT_DIR
 	string

src/mainboard/asus/p8x7x-series/Kconfig.name

@@ -1,6 +1,6 @@
 config BOARD_ASUS_P8Z77_M_PRO
 	bool "P8Z77-M PRO"
-	select BOARD_ASUS_P8Z77_SERIES
+	select BOARD_ASUS_P8X7X_SERIES
 	select BOARD_ROMSIZE_KB_8192
 	select DRIVERS_ASMEDIA_ASPM_BLACKLIST # for ASM1061 eSATA
 	select MAINBOARD_HAS_LPC_TPM
@@ -8,7 +8,7 @@ config BOARD_ASUS_P8Z77_M_PRO
 
 config BOARD_ASUS_P8Z77_V_LX2
 	bool "P8Z77-V LX2"
-	select BOARD_ASUS_P8Z77_SERIES
+	select BOARD_ASUS_P8X7X_SERIES
 	select BOARD_ROMSIZE_KB_8192
 	select REALTEK_8168_RESET
 	select SUPERIO_NUVOTON_NCT6779D
@@ -16,7 +16,7 @@ config BOARD_ASUS_P8Z77_V_LX2
 
 config BOARD_ASUS_P8Z77_V
 	bool "P8Z77-V"
-	select BOARD_ASUS_P8Z77_SERIES
+	select BOARD_ASUS_P8X7X_SERIES
 	select BOARD_ROMSIZE_KB_8192
 	select DRIVERS_ASMEDIA_ASPM_BLACKLIST # for ASM1061 eSATA
 	select MAINBOARD_HAS_LPC_TPM