WiP: rockchip-rk3588-legacy: switch to 48-bit virtual addresses, so…

… we're tcmalloc compatible

- see cilium/cilium#17467
- see envoyproxy/envoy#15235 (comment)

config/kernel/linux-rockchip-rk3588-legacy.config

@@ -263,7 +263,7 @@ CONFIG_ARM64_PAGE_SHIFT=12
 CONFIG_ARM64_CONT_PTE_SHIFT=4
 CONFIG_ARM64_CONT_PMD_SHIFT=4
 CONFIG_ARCH_MMAP_RND_BITS_MIN=18
-CONFIG_ARCH_MMAP_RND_BITS_MAX=24
+CONFIG_ARCH_MMAP_RND_BITS_MAX=33
 CONFIG_ARCH_MMAP_RND_COMPAT_BITS_MIN=11
 CONFIG_ARCH_MMAP_RND_COMPAT_BITS_MAX=16
 CONFIG_STACKTRACE_SUPPORT=y
@@ -282,7 +282,7 @@ CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE=y
 CONFIG_SMP=y
 CONFIG_KERNEL_MODE_NEON=y
 CONFIG_FIX_EARLYCON_MEM=y
-CONFIG_PGTABLE_LEVELS=3
+CONFIG_PGTABLE_LEVELS=4
 CONFIG_ARCH_SUPPORTS_UPROBES=y
 CONFIG_ARCH_PROC_KCORE_TEXT=y
 
@@ -376,9 +376,9 @@ CONFIG_SOCIONEXT_SYNQUACER_PREITS=y
 CONFIG_ARM64_4K_PAGES=y
 # CONFIG_ARM64_16K_PAGES is not set
 # CONFIG_ARM64_64K_PAGES is not set
-CONFIG_ARM64_VA_BITS_39=y
-# CONFIG_ARM64_VA_BITS_48 is not set
-CONFIG_ARM64_VA_BITS=39
+# CONFIG_ARM64_VA_BITS_39 is not set
+CONFIG_ARM64_VA_BITS_48=y
+CONFIG_ARM64_VA_BITS=48
 CONFIG_ARM64_PA_BITS_48=y
 CONFIG_ARM64_PA_BITS=48
 # CONFIG_CPU_BIG_ENDIAN is not set
@@ -6330,8 +6330,6 @@ CONFIG_STAGING=y
 CONFIG_ASHMEM=y
 # CONFIG_DEBUG_KINFO is not set
 # CONFIG_ION is not set
-# CONFIG_ION_SYSTEM_HEAP is not set
-# CONFIG_ION_CMA_HEAP is not set
 CONFIG_FIQ_DEBUGGER=y
 CONFIG_FIQ_DEBUGGER_NO_SLEEP=y
 # CONFIG_FIQ_DEBUGGER_WAKEUP_IRQ_ALWAYS_ON is not set
@@ -7375,6 +7373,7 @@ CONFIG_FAT_DEFAULT_CODEPAGE=936
 CONFIG_FAT_DEFAULT_IOCHARSET="utf8"
 # CONFIG_FAT_DEFAULT_UTF8 is not set
 CONFIG_EXFAT_FS=m
+CONFIG_EXFAT_DEFAULT_IOCHARSET="utf8"
 CONFIG_NTFS_FS=y
 # CONFIG_NTFS_DEBUG is not set
 CONFIG_NTFS_RW=y