reset of the error

[Vasco-Luz]

made an bad error, this is a pr to revert the error

[jjts]

This PR isn't necessary , just the one with the iob_reg instead of always

[Vasco-Luz]

an error is happening when .rst_i (boot_0) the system finds cpu trap condition, on sram_w_valid_reg

[Vasco-Luz]

solved, syncronous reset cannot be dependent of boot_o because its because of boot_o that the output of sram_valid it becames equal to rom_valid. so it a 0 is putted in rst_i because there is no need for synchronous reset.

[Vasco-Luz]

{3'b111, {(BOOTROM_ADDR_W - 2) {1'b0}}}
this line must substitute
{1'b1, {(BOOTROM_ADDR_W - 2) {1'b0}}}
in order for the sram pointer to point to the correct memory location.

[Vasco-Luz]

changes, iob_reg_r to iob_reg, ((2SRAM_ADDR_W-2BOOTROM_ADDR_W)>>2) to get the righ pointer start(bits that point to the ram memory), changed so the reset of the wstrb is actually a 0.

[Vasco-Luz]

(1'b1<<(SRAM_ADDR_W-2))-(1'b1<<(BOOTROM_ADDR_W-2))
changed the way it does the calcuation. to solve syntethesis errors.

[jjts]

.cke_i(cke_i)

cke_i must come all the way from the top

[Vasco-Luz]

removed merge conflitcts with main