mediatek/mt7622: adjust kernel cpu features to match the hardware

Disable unnecessary errata/features
Enable potentially needed ones

Signed-off-by: Felix Fietkau <nbd@nbd.name>

target/linux/mediatek/mt7622/config-5.4

@@ -82,26 +82,24 @@ CONFIG_ARCH_WANT_FRAME_POINTERS=y
 CONFIG_ARCH_WANT_HUGE_PMD_SHARE=y
 CONFIG_ARM64=y
 CONFIG_ARM64_4K_PAGES=y
-CONFIG_ARM64_CNP=y
+# CONFIG_ARM64_CNP is not set
 CONFIG_ARM64_CONT_SHIFT=4
-CONFIG_ARM64_ERRATUM_1165522=y
-CONFIG_ARM64_ERRATUM_1286807=y
-CONFIG_ARM64_ERRATUM_1418040=y
-CONFIG_ARM64_HW_AFDBM=y
+# CONFIG_ARM64_ERRATUM_1165522 is not set
+# CONFIG_ARM64_ERRATUM_1286807 is not set
+# CONFIG_ARM64_ERRATUM_1418040 is not set
+CONFIG_ARM64_ERRATUM_843419=y
+CONFIG_ARM64_ERRATUM_845719=y
+CONFIG_ARM64_MODULE_PLTS=y
 CONFIG_ARM64_PAGE_SHIFT=12
-CONFIG_ARM64_PAN=y
 CONFIG_ARM64_PA_BITS=48
 CONFIG_ARM64_PA_BITS_48=y
-CONFIG_ARM64_PTR_AUTH=y
+# CONFIG_ARM64_PTR_AUTH is not set
 CONFIG_ARM64_SSBD=y
-CONFIG_ARM64_SVE=y
+# CONFIG_ARM64_SVE is not set
 # CONFIG_ARM64_SW_TTBR0_PAN is not set
 CONFIG_ARM64_TAGGED_ADDR_ABI=y
-CONFIG_ARM64_UAO=y
 CONFIG_ARM64_VA_BITS=39
 CONFIG_ARM64_VA_BITS_39=y
-CONFIG_ARM64_VHE=y
-CONFIG_ARM64_WORKAROUND_REPEAT_TLBI=y
 # CONFIG_ARMV8_DEPRECATED is not set
 CONFIG_ARM_AMBA=y
 CONFIG_ARM_ARCH_TIMER=y
@@ -138,7 +136,7 @@ CONFIG_BT_HS=y
 CONFIG_BT_LE=y
 CONFIG_BT_MTKUART=y
 CONFIG_BT_QCA=y
-CONFIG_CAVIUM_TX2_ERRATUM_219=y
+# CONFIG_CAVIUM_TX2_ERRATUM_219 is not set
 CONFIG_CC_HAS_KASAN_GENERIC=y
 CONFIG_CLKDEV_LOOKUP=y
 CONFIG_CLKSRC_MMIO=y
@@ -250,7 +248,7 @@ CONFIG_FONT_8x16=y
 CONFIG_FONT_AUTOSELECT=y
 CONFIG_FONT_SUPPORT=y
 CONFIG_FRAME_POINTER=y
-CONFIG_FUJITSU_ERRATUM_010001=y
+# CONFIG_FUJITSU_ERRATUM_010001 is not set
 CONFIG_FW_LOADER_PAGED_BUF=y
 CONFIG_GENERIC_ALLOCATOR=y
 CONFIG_GENERIC_ARCH_TOPOLOGY=y
@@ -284,7 +282,8 @@ CONFIG_GLOB=y
 CONFIG_GPIOLIB=y
 CONFIG_GRO_CELLS=y
 CONFIG_HANDLE_DOMAIN_IRQ=y
-CONFIG_HARDEN_BRANCH_PREDICTOR=y
+# CONFIG_HARDEN_BRANCH_PREDICTOR is not set
+# CONFIG_HARDEN_EL2_VECTORS is not set
 CONFIG_HARDIRQS_SW_RESEND=y
 CONFIG_HAS_DMA=y
 CONFIG_HAS_IOMEM=y
@@ -332,6 +331,7 @@ CONFIG_HAVE_GENERIC_VDSO=y
 CONFIG_HAVE_HW_BREAKPOINT=y
 CONFIG_HAVE_IRQ_TIME_ACCOUNTING=y
 CONFIG_HAVE_MEMORY_PRESENT=y
+CONFIG_HAVE_MOD_ARCH_SPECIFIC=y
 CONFIG_HAVE_NET_DSA=y
 CONFIG_HAVE_PATA_PLATFORM=y
 CONFIG_HAVE_PCI=y
@@ -493,6 +493,7 @@ CONFIG_PINCTRL_MT7622=y
 CONFIG_PINCTRL_MT8516=y
 CONFIG_PINCTRL_MTK=y
 CONFIG_PINCTRL_MTK_MOORE=y
+CONFIG_PLUGIN_HOSTCC="g++"
 CONFIG_PM=y
 CONFIG_PM_CLK=y
 CONFIG_PM_GENERIC_DOMAINS=y
@@ -529,7 +530,6 @@ CONFIG_RTC_DRV_MT7622=y
 CONFIG_RTC_I2C_AND_SPI=y
 CONFIG_RTL8367S_GSW=y
 CONFIG_RWSEM_SPIN_ON_OWNER=y
-CONFIG_SCHED_MC=y
 CONFIG_SCSI=y
 # CONFIG_SECTION_MISMATCH_WARN_ONLY is not set
 CONFIG_SERIAL_8250_FSL=y