bcm63xx: kernel: reenable the TRNG

The hardware random number generator driver for bcm63xx was merged with
the one used by the Raspberry Pi. Now this driver is lost.

Reenable the HW_RANDOM kernel config with the new driver.

Signed-off-by: Daniel González Cabanelas <dgcbueu@gmail.com>
[refresh kernel config]
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

target/linux/bcm63xx/config-5.4

@@ -1,23 +1,9 @@
 CONFIG_ARCH_32BIT_OFF_T=y
 CONFIG_ARCH_CLOCKSOURCE_DATA=y
-CONFIG_ARCH_HAS_DMA_COHERENT_TO_PFN=y
-CONFIG_ARCH_HAS_DMA_PREP_COHERENT=y
-CONFIG_ARCH_HAS_DMA_WRITE_COMBINE=y
-CONFIG_ARCH_HAS_ELF_RANDOMIZE=y
-CONFIG_ARCH_HAS_PTE_SPECIAL=y
-CONFIG_ARCH_HAS_SYNC_DMA_FOR_DEVICE=y
-CONFIG_ARCH_HAS_UNCACHED_SEGMENT=y
 CONFIG_ARCH_HIBERNATION_POSSIBLE=y
 CONFIG_ARCH_MMAP_RND_BITS_MAX=15
 CONFIG_ARCH_MMAP_RND_COMPAT_BITS_MAX=15
-CONFIG_ARCH_SUPPORTS_UPROBES=y
 CONFIG_ARCH_SUSPEND_POSSIBLE=y
-CONFIG_ARCH_USE_BUILTIN_BSWAP=y
-CONFIG_ARCH_USE_MEMREMAP_PROT=y
-CONFIG_ARCH_USE_QUEUED_RWLOCKS=y
-CONFIG_ARCH_USE_QUEUED_SPINLOCKS=y
-CONFIG_ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT=y
-CONFIG_ARCH_WANT_IPC_PARSE_VERSION=y
 CONFIG_BCM6345_EXT_IRQ=y
 CONFIG_BCM6345_PERIPH_IRQ=y
 CONFIG_BCM63XX=y
@@ -77,11 +63,7 @@ CONFIG_DMA_NONCOHERENT=y
 CONFIG_DMA_NONCOHERENT_CACHE_SYNC=y
 CONFIG_DTC=y
 CONFIG_EARLY_PRINTK=y
-CONFIG_EFI_EARLYCON=y
 CONFIG_FIXED_PHY=y
-CONFIG_FONT_8x16=y
-CONFIG_FONT_AUTOSELECT=y
-CONFIG_FONT_SUPPORT=y
 CONFIG_FW_LOADER_PAGED_BUF=y
 CONFIG_GENERIC_ATOMIC64=y
 CONFIG_GENERIC_CLOCKEVENTS=y
@@ -111,42 +93,8 @@ CONFIG_HANDLE_DOMAIN_IRQ=y
 CONFIG_HAS_DMA=y
 CONFIG_HAS_IOMEM=y
 CONFIG_HAS_IOPORT_MAP=y
-CONFIG_HAVE_ARCH_COMPILER_H=y
-CONFIG_HAVE_ARCH_JUMP_LABEL=y
-CONFIG_HAVE_ARCH_KGDB=y
-CONFIG_HAVE_ARCH_SECCOMP_FILTER=y
-CONFIG_HAVE_ARCH_TRACEHOOK=y
-CONFIG_HAVE_ASM_MODVERSIONS=y
-CONFIG_HAVE_CLK=y
-CONFIG_HAVE_CONTEXT_TRACKING=y
-CONFIG_HAVE_COPY_THREAD_TLS=y
-CONFIG_HAVE_C_RECORDMCOUNT=y
-CONFIG_HAVE_DEBUG_KMEMLEAK=y
-CONFIG_HAVE_DEBUG_STACKOVERFLOW=y
-CONFIG_HAVE_DMA_CONTIGUOUS=y
-CONFIG_HAVE_DYNAMIC_FTRACE=y
-CONFIG_HAVE_FAST_GUP=y
-CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
-CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
-CONFIG_HAVE_FUNCTION_TRACER=y
-CONFIG_HAVE_GENERIC_VDSO=y
-CONFIG_HAVE_IDE=y
-CONFIG_HAVE_IOREMAP_PROT=y
-CONFIG_HAVE_IRQ_EXIT_ON_IRQ_STACK=y
-CONFIG_HAVE_IRQ_TIME_ACCOUNTING=y
-CONFIG_HAVE_LD_DEAD_CODE_DATA_ELIMINATION=y
-CONFIG_HAVE_MEMBLOCK_NODE_MAP=y
-CONFIG_HAVE_MOD_ARCH_SPECIFIC=y
-CONFIG_HAVE_NET_DSA=y
-CONFIG_HAVE_OPROFILE=y
-CONFIG_HAVE_PCI=y
-CONFIG_HAVE_PERF_EVENTS=y
-CONFIG_HAVE_REGS_AND_STACK_ACCESS_API=y
-CONFIG_HAVE_RSEQ=y
-CONFIG_HAVE_SYSCALL_TRACEPOINTS=y
-CONFIG_HAVE_VIRT_CPU_ACCOUNTING_GEN=y
 CONFIG_HW_RANDOM=y
-# CONFIG_HW_RANDOM_BCM2835 is not set
+CONFIG_HW_RANDOM_BCM2835=y
 CONFIG_HZ=250
 CONFIG_HZ_250=y
 CONFIG_HZ_PERIODIC=y
@@ -171,6 +119,7 @@ CONFIG_MIGRATION=y
 CONFIG_MIPS=y
 CONFIG_MIPS_ASID_BITS=8
 CONFIG_MIPS_ASID_SHIFT=0
+CONFIG_MIPS_CBPF_JIT=y
 CONFIG_MIPS_CLOCK_VSYSCALL=y
 # CONFIG_MIPS_CMDLINE_DTB_EXTEND is not set
 # CONFIG_MIPS_CMDLINE_FROM_BOOTLOADER is not set