Zigbee fix flashing CC2562P with latest firmware (#22117)

CHANGELOG.md

@@ -17,6 +17,7 @@ All notable changes to this project will be documented in this file.
 - Shutter missing HOLD on shutterbutton (#22108)
 - ModbusBridge request and response logic (#22075)
 - Berry energy missing attributes
+- Zigbee flashing CC2562P with latest firmware
 
 ### Removed
 

tasmota/berry/zigbee/cc2652_flasher.be

@@ -32,13 +32,13 @@
 # - `cc.cmd_get_chip_id()` returns the chip ID
 #
 # - `cc.flash_read(addr, len)` reads `len` bytes from address `addr``
-#   len must be a multiple of 4 and less or equal than 128 bytes
+#   len must be less or equal than 128 bytes
 #   Returns a bytes() object
 #
 # - `cc.flash_crc32(addr, len)` returns the CRC32 of a flash region
 #
 # - `cc.flash_write(addr, data)` writes bytes to the flash
-#   `data` is a bytes() buffer, its len must be a multiple of 4 and less or equal than 128
+#   `data` is a bytes() buffer, its len must be less or equal than 128
 #   This call does not erase the flash, so it must have been erased before.
 #   The bootloader checks that the bytes were correctly written, i.e. that
 #   the appropriate bits were changed from `1` to `0`.
@@ -248,7 +248,6 @@ class cc2652_flasher
   end
 
   def cmd_memory_read(addr, len)
-    if (len % 4 != 0) raise "value_error", "len must be a multiple of 4" end
     if len > 128      raise "value_error", "len is bigger than 128" end
     var b = bytes("2A")
     b.add(addr, -4)
@@ -261,7 +260,6 @@ class cc2652_flasher
   # does not look to be implemented
   # def cmd_memory_write(addr, data)
   #   var sz = size(data)
-  #   if (sz % 4 != 0) raise "value_error", "len must be a multiple of 4" end
   #   if sz > 128      raise "value_error", "len is bigger than 128" end
   #   var b = bytes("2B")
   #   b.add(addr, -4)
@@ -273,7 +271,6 @@ class cc2652_flasher
   # end
 
   def cmd_download(addr, sz)
-    if (sz % 4 != 0) raise "value_error", "len must be a multiple of 4" end
     if sz > 128      raise "value_error", "len is bigger than 128" end
     var b = bytes("21")
     b.add(addr, -4)
@@ -285,7 +282,6 @@ class cc2652_flasher
 
   def cmd_send_data(data)
     var sz = size(data)
-    if (sz % 4 != 0) raise "value_error", "len must be a multiple of 4" end
     if sz > 128      raise "value_error", "len is bigger than 128" end
     var b = bytes("24")
     b += data
@@ -336,7 +332,6 @@ class cc2652_flasher
   # higher level
   def flash_write(addr, data)
     var sz = size(data)
-    if (sz % 4 != 0) raise "value_error", "len must be a multiple of 4" end
     if sz > 128      raise "value_error", "len is bigger than 128" end
 
     var ret