bpf, doc: Add arm32 as arch supporting eBPF JIT

As eBPF JIT support for arm32 was added recently with
commit 39c13c204bb1150d401e27d41a9d8b332be47c49, it seems appropriate to
add arm32 as arch with support for eBPF JIT in bpf and sysctl docs as well.

Signed-off-by: Shubham Bansal <illusionist.neo@gmail.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

Documentation/networking/filter.txt

@@ -596,8 +596,8 @@ skb pointer). All constraints and restrictions from bpf_check_classic() apply
 before a conversion to the new layout is being done behind the scenes!
 
 Currently, the classic BPF format is being used for JITing on most 32-bit
-architectures, whereas x86-64, aarch64, s390x, powerpc64, sparc64 perform JIT
-compilation from eBPF instruction set.
+architectures, whereas x86-64, aarch64, s390x, powerpc64, sparc64, arm32 perform
+JIT compilation from eBPF instruction set.
 
 Some core changes of the new internal format:
 

Documentation/sysctl/net.txt

@@ -46,13 +46,13 @@ translate these BPF proglets into native CPU instructions. There are
 two flavors of JITs, the newer eBPF JIT currently supported on:
   - x86_64
   - arm64
+  - arm32
   - ppc64
   - sparc64
   - mips64
   - s390x
 
 And the older cBPF JIT supported on the following archs:
-  - arm
   - mips
   - ppc
   - sparc